CN104417098B - The control method of colored printing and device - Google Patents
The control method of colored printing and device Download PDFInfo
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- CN104417098B CN104417098B CN201310371283.6A CN201310371283A CN104417098B CN 104417098 B CN104417098 B CN 104417098B CN 201310371283 A CN201310371283 A CN 201310371283A CN 104417098 B CN104417098 B CN 104417098B
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Abstract
The present invention provides control method and the device of a kind of colored printing；Method therein includes step: is made a distinction according to its affiliated color by the page dot-matrix data that presswork produces after raster image processor RIP processes and stores concurrently in the different files of memorizer；From the different files of described memorizer, read described page dot-matrix data concurrently, and use parallel mode to be transferred to the numerical control system for performing printing operation.Use method and apparatus of the present invention can be effectively improved the print speed printing speed of operation, reduce system configuration requirements, and save printing cost.
Description
Technical field
The present invention relates to printing technology, particularly relate to the controlling party of a kind of colored printing
Method and device.
Background technology
RIP(Raster Image Processor, raster image processor) it is mainly used in printing
Various images in brush operation (such as the most widely used pdf document) space of a whole page, figure and
The lattice information that word etc. are construed to printer or film setter is able to record that.
In existing single-colour ink-jetting digital printing system, presswork is through the process of RIP
Time proportion shared by the printing treatment time of whole print system is relatively big, as from hard disk
The speed of the middle page dot matrix file reading storage is far longer than presswork and generates through RIP
The speed of page dot matrix file.If the speed that RIP generates page dot matrix file does not catches up with number
The printing depletion rate of word control system, the most whole digital printing system can produce data underflow
Mistake.For avoiding the generation of this mistake, it will usually use first by presswork through RIP
The information generated after process is saved as page dot matrix file, and starts after RIP process completes again
The method printed.
Under the development trend of ink jet digital press multicolor, the page generated after RIP
Cake battle array number can increase at double, when being single color printing such as page dot matrix number during two color printing
The twice of page dot matrix number, page dot matrix number during four-color process is page during single color printing
Four times of cake battle array number.Concrete, a digital presswork is at the rasterisation through RIP
Can be broken down into a series of color separation page dot matrix after image procossing, every one page is generally by green grass or young crops
(C), corresponding four, pinkish red (M), yellow (Y) and black (K) four color faces are mutually
Independent page dot matrix (referred to as C, M, Y and K page dot matrix, lower same) is formed,
Afterwards, these four page dot matrixes are printed by the shower nozzle module giving numerical control system respectively
Brush.One specific example, four colors are two-sided to be beaten existing ink jet digital print system realizing
During print, C, M, Y and K tetra-color page dot matrix produced after first RIP being processed
Data write in the corresponding document of hard disk according to form successively, afterwards, successively from fixed disk file
Middle read C, M, Y and K tetra-color page dot-matrix data, and be sent to digital control successively
System.
In the processing procedure of existing page dot-matrix data, no matter it is storing process, or
Reading process, also or transmitting procedure, all uses serial process mode, this processing mode
Processing speed relatively slow, be easily caused in printing process the mistake producing data underflow.If
In order to avoid the generation of this mistake, then hard disk can be proposed higher requirement, thus can cause
Whole digital printing system relatively costly.
Summary of the invention
For defect present in prior art, it is an object of the invention to provide colored printing
Control method and device.Use method and apparatus of the present invention can be effectively improved operation
Print speed printing speed, reduces system configuration requirements, and saves printing cost.
In order to realize object above, the control method of the colored printing that the embodiment of the present invention provides
Including: the page dot matrix number that presswork is produced after raster image processor RIP processes
Make a distinction according to the color affiliated according to it and store the different files of memorizer concurrently
In；Described page dot-matrix data is read concurrently from the different files of described memorizer, and
Parallel mode is used to be transferred to the numerical control system for performing printing operation.
The control device of the colored printing that the embodiment of the present invention provides specifically includes that parallel memorizing
Module, for page point presswork produced after raster image processor RIP processes
Battle array data make a distinction according to its affiliated color and store the not identical text of memorizer concurrently
In part；Read transport module parallel, be used for from the different files of described memorizer concurrently
Read described page dot-matrix data, and use parallel mode to be transferred to for performing printing operation
Numerical control system.
Effect of the invention is that: by the page dot matrix number produced after RIP process is completed
(being such as stored on the controller of multiple stage color face) is stored respectively, during printing according to color separation or dichroic
Read page dot-matrix data from many places (such as multiple stage color face controller) respectively and transmit, it is achieved
Page dot-matrix data parallel memorizing and reading and transmission；So, improve the print of operation
While brush speed, reduce the performance configuration to system controller and color face controller and want
Ask, thus the present invention can use the medium industrial computer of configuration as server, effectively
Saved printing cost.It addition, the flexible structure of the present invention, not only support that four colors are two-sided
Ink jet printing, and existing four color one sides, double-colored two-sided and single can be supported simultaneously
The ink jet printing that color is two-sided.
Accompanying drawing explanation
Fig. 1 is the ink jet digital printing process schematic diagram that four colors of the embodiment of the present invention are two-sided；
Fig. 2 is the data realizing four color duplex inkjet digital print methods of the embodiment of the present invention
Flow chart.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, the present invention is described in detail.
In ink jet digital print system, the present invention is directed to colored printing and propose a kind of concrete
Control method and device, realize four color duplex inkjets as proposed one for four color printeds on both sides
Digital printed control method and device, have speed fast, relatively low to hard disk requirement, printing
Cost is relatively low and the feature such as flexible structure.
The page dot-matrix data that the present invention makes full use of the different colours that RIP generates is separate
Feature, during the data file that page dot-matrix data is stored hard disk, have employed
Data parallel memory mechanism；Meanwhile, from the data file of hard disk, page dot matrix number is being read
According to and during being sent to lower floor's numerical control system, have employed data parallel and read transmission
Mechanism；The storage of the upper page dot array data of the most whole ink-jet printing system is read and transmission
Have employed distributed framework, with realize page dot-matrix data fast parallel storage read and
Transmission.Below in conjunction with Fig. 1, it is main example with the ink jet digital printing process that four colors are two-sided
The technical scheme that the present invention is proposed by son illustrates.
In FIG, upper strata uses four color duplex inkjet digital printing systems of distributed structure/architecture
(being referred to as page dot matrix storage system) is mainly controlled by system controller and color face
Device forms.
System controller is mainly used in being responsible for the processing procedure of the RIP of presswork, and controls
Color face controller receives page dot-matrix data and controls the order with lower floor's numerical control system
Alternately.
If color face controller is made a distinction according to the color belonging to page dot-matrix data, then
Color face controller can be divided into color face controller C, color face controller M, color face controller
Y and color face controller K.Color face controller is mainly used in storing the page produced after RIP processes
Face dot array data.The RIP end of color face controller and system controller and the numeral with lower floor
Kilomega optic fiber network can be used between control system to be attached, to reduce page dot matrix as far as possible
The time that data are transmitted by network.
Page dot-matrix data can be stored in color face controller according to certain form by the present invention
Hard disk corresponding document (color face file) in, above-mentioned form can be EJP form, i.e.
The color face file ultimately generated after RIP processes can be EJP file.
The page dot-matrix data that system controller generates after RIP process being completed uses multithreading
Mode be sent in parallel on the controller of corresponding color face store, so, each color face
Only 1/4th of total page dot-matrix data, the simultaneously four color pages need to be stored on controller
Dot array data writes respective EJP file and also achieves parallel processing, thus page dot matrix number
According to the storage time can be reduced to original page dot-matrix data storage the time four/
One；In like manner, the present invention, during reading page dot-matrix data from EJP file, is
Reading page dot-matrix data parallel from the controller of assorted face, then, transmitted in parallel is to lower floor
Numerical control system.It follows that the storage of page dot-matrix data is read and is transmitted across
Journey is according to the quantity parallel processing of color face, and total time is that original storage is read and transmission is total
/ 4th of time.
At page dot-matrix data from the RIP end of system controller to the storage of assorted face controller
During, kilomega optic fiber network should be used to be transmitted, to improve the network biography of data as far as possible
Defeated speed, meanwhile, can the most first cache a certain amount of page in the way of using data buffer storage
Dot array data, is the most disposably transmitted by network, so, both make use of gigabit light
The advantage of fibre web network transmission, the RIP end simultaneously also reducing system controller controls with color face
The number of times of the transmitted data on network between device end and the number of times of command interaction, improve further
The speed of data transmission.
In the numerical control system of lower floor, have four shower nozzle module (i.e. sprays in Fig. 1
Head mould group 1-4), and each shower nozzle module can simultaneously spray printing dichromatism, so double at four colors
In the print procedure in face, need the CMYK page dot-matrix data in front is sent to the first two
On shower nozzle module, the CMYK page dot-matrix data of reverse side is sent to latter two shower nozzle module
On, by paper turning after front spray printing completes, then spray printing reverse side.Thus, in distribution
In four color duplex inkjet print systems of formula framework, complete through RIP process in presswork
After, (Fig. 1 can not shown by its positive and negative page identifying unit and color face file distributing unit
Go out) process accordingly, in order to by following for C and M(in front abbreviation C just and M
Just) page dot-matrix data is stored on the controller C of color face, by just positive with K for Y page point
Battle array data are stored on the controller M of color face, by anti-for C and M anti-page dot-matrix data storage
On the controller Y of color face, anti-for Y and the anti-page dot-matrix data of K are stored in color face and control
On device K；Meanwhile, the dichromatism page dot-matrix data on the controller of each color face stores into two
The EJP file in color face, it is simple to the page dot-matrix data of multiple colors can carry out parallel read-write
Operation.
Upper strata uses four color duplex inkjet digital printing systems of distributed structure/architecture, at color face number
According in Dispatching Unit, can be to four color one sides, double-colored two-sided printing model two-sided, monochromatic
Carry out compatible processing；I.e. color face file distributing unit can determine that in each mode, respectively
Color face controller that the page dot-matrix data of color is stored and corresponding EJP file；As
Under four color one-sided printing mode, CMYK page dot-matrix data leaves color face controller respectively in
In C, color face controller M, color face controller Y and color face controller K, each color face
Only an EJP file need to be deposited on controller；For another example, at double-colored two-sided (only YK dichromatism)
Printing model under, just positive with the K page dot-matrix data of Y is respectively stored in color face controller Y
With in the controller K of color face, Y is anti-and the anti-page dot-matrix data of K is respectively stored in color face and controls
In device C and color face controller M；It addition, the impression block of monochromatic two-sided (only K color)
Under formula, can be regarded as a kind of special case of double-colored double printing mode, i.e. just anti-with the Y page of Y
The all skies of face dot array data.
Above summary of the invention, in realizing four color duplex inkjet digital printing process, make use of many
The mechanism of service parallel processing, uses distributed structure/architecture, effectively by two-sided for existing four colors
The efficiency of ink jet digital print system improves four times.
Fig. 2 is that the one that the embodiment of the present invention proposes realizes the four digital printed sides of color duplex inkjet
The data flowchart of method, concrete data flow is described as follows:
Step 1, the PDF operation of submission printing, through the RIP process of system controller
After, generate CMYK page dot-matrix data.
The page dot-matrix data that step 2, RIP generate after processing, through positive and negative page identifying unit
After the determination processing of (i.e. positive and negative identifying unit in Fig. 1), page dot-matrix data is divided
Become front C, front M, front Y, front K, reverse side C, reverse side M, reverse side Y with
And these eight kinds of page dot-matrix datas of reverse side K.
Step 3, above-mentioned eight kinds of page dot-matrix datas respectively enter respective buffer unit and (are
Buffer unit in system controller) cache；Owing to page dot-matrix data now also exists
In system controller, therefore, it can in the system controller for every kind of page dot-matrix data Shen
Please the spatial cache of predefined size (such as the spatial cache of 128M, so, eight kinds of page points
Battle array data need the spatial cache of 1G altogether).
Step 4, when the spatial cache of the page dot-matrix data in certain color face is inadequate, then may be used
The page dot-matrix data in this color face is passed through kilomega optic fiber network by color face file distributing unit
The color face controller specified, i.e. front C and the front M page it is sent to according to the color-sequential of configuration
Dot matrix is sent to color face controller C, front Y and front K page dot-matrix data is sent
It is sent to the control of color face to color face controller M, reverse side C and reverse side M page dot-matrix data
Device Y processed, reverse side Y and reverse side K page dot-matrix data are sent to color face controller K.
After step 5, color face controller receive page dot-matrix data, according to EJP tray
Dot array data is write in the corresponding EJP file of the hard disk of color face controller by formula；As at color
On the controller C of face, front C and front M page dot-matrix data are stored in C_ejp respectively
With in M_ejp file, both of these documents is separate；In like manner, on the controller M of color face,
Front Y and front K page dot-matrix data are stored in Y_ejp and K_ejp file respectively,
On the controller Y of color face, reverse side C and reverse side M page dot-matrix data are respectively stored in
In C_ejp and M_ejp file, on the controller K of color face, reverse side Y and the reverse side K page
Dot array data is respectively stored in Y_ejp and K_ejp file.
So far, PDF operation after processing through RIP produced page dot-matrix data just by
Four color duplex inkjet digital printing systems of distributed structure/architecture are stored in hard disk (i.e. in Fig. 2
" EJP file ") suffer.When needs print this operation, it is only necessary to 6 read as follows
Take EJP file, and be transferred to the numerical control system of lower floor.
Step 6, start to print after, from the EJP file of assorted face controller, read respectively
Take the page dot-matrix data of dichromatism, and the page dot-matrix data of reading is stored in buffer unit
In.Owing to each color face controller is independently arranged on an equipment (such as server), institute
A certain size buffer unit all can be applied for, such as application 1G with each color face controller
Buffer unit.
Step 7, when the buffer unit of certain color face controller is full, gigabit light can be passed through
Fibre web network by coloured controller buffer unit in storage page dot-matrix data be sent to
Digital controller system, such as, the page dot matrix number in the buffer unit of color face controller C
According to being sent to shower nozzle module 1, the page dot matrix number in the buffer unit of color face controller M
According to being sent to shower nozzle module 2, the page dot matrix number in the buffer unit of color face controller Y
According to being sent to shower nozzle module 3, the page dot matrix number in the buffer unit of color face controller K
According to being sent to shower nozzle module 4, thus complete the printing that four colors are two-sided.
Above example is in completing the ink jet digital printing process that four colors are two-sided, at RIP
The page dot-matrix data dichroic produced after having managed is stored on four color face controllers, beats
From four color face controllers, data are read respectively, it is achieved that page dot-matrix data is parallel during print
Storage and reading, while the print speed printing speed of operation is improve four times, reduce being
System controller and the performance configuration requirement of color face controller, thus the present invention uses in configuration
Deng industrial computer as server, effectively saved printing cost.Meanwhile, this
The flexible structure of bright embodiment, not only supports the ink jet printing that four colors are two-sided, and can be same
Time support existing four color one sides, double-colored two-sided and monochromatic two-sided ink jet printing.
The control device of the colored printing of the present invention specifically includes that parallel memorizing module and also
Row reads transport module；And colored printing in the present invention is when supporting positive and negative colored printing,
This device can also include: positive and negative identifying unit.
The page of the shades of colour that positive and negative identifying unit obtains after being mainly used in processing RIP
Dot array data carries out positive and negative judgement.
Parallel memorizing module is mainly used in presswork through raster image processor (RIP) place
The page dot-matrix data produced after reason makes a distinction according to its affiliated color and stores concurrently
In the different files of memorizer.
In the case of device includes positive and negative identifying unit, parallel memorizing module is with positive and negative
Face identifying unit connects；Parallel memorizing module can know the positive and negative of positive and negative identifying unit
Judged result, and parallel memory element is in performing storage operating process, should be by shades of colour
Page dot-matrix data the first caching of storing correspondence concurrently according to color and positive and negative single
In unit.
The parallel transport module that reads is mainly used in from the different files that above-mentioned memorizer stores also
Read page dot-matrix data capablely, and use parallel mode to be transferred to for performing printing operation
Numerical control system.
Above-mentioned parallel memorizing module specifically includes that acquiring unit, parallel memory element, transmission
Unit and multiple color faces controller.
Acquiring unit is mainly used in presswork is carried out RIP process, it is hereby achieved that respectively
Plant the page dot-matrix data of color.
Parallel memory element is connected with acquiring unit, is mainly used in obtaining above-mentioned acquiring unit
The page dot-matrix data of shades of colour the first caching of being stored in its color concurrently corresponding single
In unit, wherein the quantity of the first buffer unit and the quantity of color are identical.
Transmission unit is mainly used in when the first buffer unit that existence storage is the fullest, will be all
The color face that in first buffer unit, the page dot-matrix data of storage is sent to correspondence by network is controlled
Device processed.
Multiple color faces controller is connected with transmission unit, is mainly used in receiving transmission unit transmission
The page dot-matrix data come, and the page dot-matrix data received is stored as corresponding color
Color face file, wherein, color face file is stored in the second buffer unit of color face controller.
It is relevant that the operation that above-mentioned each element specifically performs is referred in said method embodiment
Describe, no longer describe in detail at this.
Obviously, those skilled in the art should be understood that the above-mentioned present invention each module or
Each step can realize with general calculating device, and they can concentrate on single calculating
On device, or it is distributed on the network that multiple calculating device is formed, alternatively, they
Can realize with calculating the executable program code of device, it is thus possible to they are stored
Performed by calculating device in the storage device, or it is integrated that they are fabricated to respectively
Circuit module, or the multiple modules in them or step are fabricated to single integrated circuit mould
Block realizes.So, the present invention is not restricted to the combination of any specific hardware and software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention
Scope required for protection, for a person skilled in the art, the present invention can have many
Plant change and change.All within spirit proposed by the invention and principle, that is made is any
Amendment, equivalent and improvement etc., should be included in scope of the present invention
Within.
Claims (6)
1. the control method of a colored printing, it is characterised in that including:
The page dot-matrix data that presswork is produced after raster image processor RIP processes
Make a distinction according to its affiliated color and store concurrently in the different files of memorizer；
Described page dot-matrix data is read concurrently from the different files of described memorizer, and
Parallel mode is used to be transferred to the numerical control system for performing printing operation.
Method the most according to claim 1, it is characterised in that described makees printing
The page dot-matrix data produced after raster image processor RIP processes already is affiliated according to it
Color makes a distinction and stores the different files of memorizer concurrently and include:
Presswork is carried out RIP process, obtains the page dot-matrix data of shades of colour；
The page dot-matrix data of described shades of colour is stored in concurrently that its color is corresponding
In one buffer unit, the quantity of wherein said first buffer unit is identical with the quantity of color；
When the first buffer unit that existence storage is the fullest, will all first buffer units be deposited
The page dot-matrix data of storage is sent to the color face controller of correspondence by network；
The page dot-matrix data received is stored as corresponding color by assorted face controller respectively
Color face file, wherein said color face file is stored in the second buffer unit of color face controller.
Method the most according to claim 2, it is characterised in that in described colored printing
When supporting positive and negative colored printing, described method also includes:
The page dot-matrix data of the shades of colour obtained after processing RIP carries out positive and negative and sentences
Fixed；And the page dot-matrix data of described shades of colour is stored in concurrently the first of correspondence delays
Memory cell includes:
The page dot-matrix data of described shades of colour is stored concurrently according to color and positive and negative
In the first corresponding buffer unit.
4. the control device of a colored printing, it is characterised in that including:
Parallel memorizing module, is used for presswork after raster image processor RIP processes
The page dot-matrix data produced makes a distinction according to its affiliated color and stores concurrently
In the different files of reservoir；
Read transport module parallel, for reading concurrently from the different files of described memorizer
Take described page dot-matrix data, and use parallel mode to be transferred to for performing printing operation
Numerical control system.
Device the most according to claim 4, it is characterised in that described parallel memorizing mould
Block includes:
Acquiring unit, for presswork is carried out RIP process, obtains the page of shades of colour
Face dot array data；
Parallel memory element, for depositing the page dot-matrix data of described shades of colour concurrently
Store up in the first buffer unit that its color is corresponding, the quantity of wherein said first buffer unit
Identical with the quantity of color；
, for when there is the fullest first buffer unit of storage, by all the in transmission unit
The color face that in one buffer unit, the page dot-matrix data of storage is sent to correspondence by network controls
Device；
Multiple color faces controller, for being stored as corresponding face by the page dot-matrix data received
The color face file of color, the second caching that wherein said color face file is stored in color face controller is single
In unit.
Device the most according to claim 5, it is characterised in that in described colored printing
When supporting positive and negative colored printing, described device also includes:
Positive and negative identifying unit, the page point of the shades of colour obtained after RIP is processed
Battle array data carry out positive and negative judgement；
And described parallel memory element be additionally operable to by the page dot-matrix data of described shades of colour by
Store concurrently according to color and positive and negative in the first buffer unit of correspondence.
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| CN201310371283.6A CN104417098B (en) | 2013-08-23 | 2013-08-23 | The control method of colored printing and device |
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| CN201310371283.6A CN104417098B (en) | 2013-08-23 | 2013-08-23 | The control method of colored printing and device |
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| CN104417098B true CN104417098B (en) | 2016-08-24 |
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| CN112130777A (en) * | 2020-08-03 | 2020-12-25 | 南通旭浩数码科技有限公司 | Distributed processing ink-jet printing method |
| CN115320265A (en) * | 2022-07-18 | 2022-11-11 | 北京博源恒芯科技股份有限公司 | Double-sided asynchronous printing control method and device and printer |
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|---|---|---|---|---|
| CN101117059A (en) * | 2007-09-24 | 2008-02-06 | 北大方正集团有限公司 | Multicolor printing method and system thereof |
| CN101383009A (en) * | 2008-09-08 | 2009-03-11 | 北大方正集团有限公司 | Dot matrix data transformation method and apparatus for ink-jet printing equipment and ink-jet printing system |
| CN102035961A (en) * | 2009-09-25 | 2011-04-27 | 富士施乐株式会社 | Image processing system and image processing method |
| CN103029458A (en) * | 2011-09-30 | 2013-04-10 | 北大方正集团有限公司 | Control system and method for digital printing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3488157B2 (en) * | 1999-12-13 | 2004-01-19 | 大日本スクリーン製造株式会社 | Printing system, server controller, unit controller |
| JP4543340B2 (en) * | 2007-12-17 | 2010-09-15 | 富士ゼロックス株式会社 | Image processing apparatus, image forming system, and program |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117059A (en) * | 2007-09-24 | 2008-02-06 | 北大方正集团有限公司 | Multicolor printing method and system thereof |
| CN101383009A (en) * | 2008-09-08 | 2009-03-11 | 北大方正集团有限公司 | Dot matrix data transformation method and apparatus for ink-jet printing equipment and ink-jet printing system |
| CN102035961A (en) * | 2009-09-25 | 2011-04-27 | 富士施乐株式会社 | Image processing system and image processing method |
| CN103029458A (en) * | 2011-09-30 | 2013-04-10 | 北大方正集团有限公司 | Control system and method for digital printing |
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