CN205812163U - A kind of printing net-point structure - Google Patents
A kind of printing net-point structure Download PDFInfo
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- CN205812163U CN205812163U CN201620497438.XU CN201620497438U CN205812163U CN 205812163 U CN205812163 U CN 205812163U CN 201620497438 U CN201620497438 U CN 201620497438U CN 205812163 U CN205812163 U CN 205812163U
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- ink
- ink dot
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- printing net
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Abstract
The utility model discloses a kind of printing net-point structure, wherein, the ink dot that described printing net-point structure is differed by Density Distribution and ink dot area forms, and forms printing complementary region and discrete/overlapping region；In described complementary region, the ink-jet path that nozzle output is corresponding, the ink dot of predefined size is formed in predetermined position；In described discrete or overlapping region, the picture element matrix distribution formed with predetermined ink-jet path superposition arranges the ink dot of predefined size；Described ink dot also includes some ink dots with different printing ink concentration.Combine the construction features of frequency-modulation halftone dot and amplitude, different regions is set in printing net-point, uses corresponding ink dot distributed architecture to show continuous toned image, make more uniformly spreading of ink dot, it is thus possible to well overcome original amplitude easily to produce moire, the problem of Flos Rosae Rugosae speckle etc..
Description
Technical field
This utility model relates to printing equipment technical field, particularly relates to a kind of printing net-point structure.
Background technology
Due in traditional simulation printing, the realization of printing process all it is necessary to have the existence of forme, and
Two element areas and non-graphic part (also referred to as blank parts) is forever only had on forme, if
Two elements on forme do not have the change on any microcosmic, then the leaflet printed by this forme
Only two level B&Ws, color also can only show two kinds of black and white (monochromatic tusche
During printing, if the most only 8 kinds of four-color process color), thus cannot show on original copy
Abundant tint hierarchy and colorful color.Therefore, in printing process, must lead to for continuous toned image
Cross the mode of screening to be transformed into Halftone Image and just can complete printing.Also will areas segmentation on forme
Become the point that countless size is different, after the some inking of different area size, inking number also just different,
Visual effect the most just shows different tint hierarchies.
Mainly there are two kinds of different types the site used in typography at present: amplitude (AM) and
Frequency-modulation halftone dot (FM).As it is shown in figure 1, for frequency-modulation halftone dot structure, its sizes of ink dots is fixed, and is
Show the level of image in unit are with the density of ink dot, high light part site is sparse, shadow part net
Point is intensive.But this lattice point structure high light part is coarse, and granular sensation is strong；Color range resolution is differentiated less than address
Rate.
Such as, the output resolution ratio of 1200dpi be only equivalent under 8 (256) color ranges amplitude modulation printing class set
Standby 1200/16=75lpi, or realize only having (1200/300=4) ^2=16 rank during 300lpi output.
The air brushing outut device of 2400dpi is equivalent to Amplitude Modulation Equipment under realizing 256 rank color ranges
2400/16=150lpi, it is achieved during 300lpi output, color range only has (2400/300=8) ^2=64 rank, if
Realize higher color range such as 10bit 1024 rank, then corresponding color range resolution is lower.Thus frequency modulation equipment
Application RIP screening is to use various error diffusion algorithms, by the contrast information binaryzation of each pixel, and
Error distribution is added on peripheral image vegetarian refreshments, i.e. realizes color range by several pixels, to solve this problem,
But eventually cannot meet the requirement accurately of image contrast details, especially at lofty tone position, ink dot is sparse, contrast
Information loss is serious.
Fix as in figure 2 it is shown, amplitude is then to maintain number of ink dots and spacing in unit are, by adjusting
Whole sizes of ink dots realizes the performance of image level.But this lattice point structure pixel is big, is not easily achieved details
Performance；Easily hit net and produce moire, Flos Rosae Rugosae speckle etc..Additionally application modulating net equipment cost is low, technological progress
Hurry up, consumptive material used, ink etc. is flexible and changeable, easy to use.Amplitude modulation net equipment price general charged is high, application
Domain-specific is strong, and repeatedly, supporting requirement is high in operation.
Therefore, prior art need development.
Summary of the invention
In place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide m printing net
Dot structure, it is intended in solution prior art, printing net-point structure particles sense is strong, be not easily accomplished details performance
Problem.
In order to achieve the above object, this utility model takes techniques below scheme:
A kind of printing net-point structure, wherein, described printing on-line shop structure is by Density Distribution and ink dot area not phase
Same ink dot composition, forms printing complementary region and discrete/overlapping region；
In described complementary region, the ink-jet path that nozzle output is corresponding, formed predetermined big in predetermined position
Little ink dot；In described discrete or overlapping region, the picture element matrix formed with predetermined ink-jet path superposition
Distribution arranges the ink dot of predefined size；
Described ink dot also includes some ink dots with different printing ink concentration.
Described printing net-point structure, wherein, described printing net-point structure is by ink corresponding to 5 ink-jet paths
Point superposition composition.
Described printing net-point structure, wherein, coincidence point and the leak source of described ink dot divide with secondary Discrete Stochastic
Cloth exists.
Beneficial effect: a kind of printing net-point structure that this utility model provides, combines frequency-modulation halftone dot and amplitude modulation
The construction features of site, arranges different regions in printing net-point, uses corresponding ink dot distributed architecture
Performance continuous toned image, makes more uniformly spreading of ink dot such that it is able to well overcome original amplitude
Easily produce moire, the problem of Flos Rosae Rugosae speckle etc..
Accompanying drawing explanation
Fig. 1 is frequency-modulation halftone dot structural representation of the prior art.
Fig. 2 is amplitude structural representation of the prior art
Fig. 3 is the ink dot distribution matrix of the passage A of this utility model specific embodiment.
Fig. 4 is the ink dot distribution matrix of the passage B of this utility model specific embodiment
Fig. 5 is the printing net-point structural representation of this utility model specific embodiment.
Detailed description of the invention
This utility model provides a kind of printing net-point structure.For make the purpose of this utility model, technical scheme and
Effect is clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.Should
Working as understanding, specific embodiment described herein, only in order to explain this utility model, is not used to limit this reality
With novel.
The ink dot that printing net-point structure described in the utility model is differed by Density Distribution and ink dot area forms.
When printing, lattice point structure also exists complementary region and discrete/different region, two, overlapping region.
For all of ink dot, can be grouped according to different ink-jet paths, each ink-jet path
All there is the ink dot of correspondence.In described complementary region, the ink-jet path that nozzle output is corresponding, in predetermined position
Put the ink dot forming predefined size.And in described discrete or overlapping region, with predetermined ink-jet path superposition
The picture element matrix distribution formed arranges the ink dot of predefined size.
Concrete, make the coincidence point of described ink dot and leak source be distributed with secondary Discrete Stochastic, it is achieved ink dot equal
Even distribution, has evaded Flos Rosae Rugosae speckle and the moire of traditional amplitude modulation screening.
To realize 300dpi greyscale resolution tune at Five-channel 1200dpiX2400dpi physical resolution nozzle
As a example by width output, it is described in detail.
Ink dot matrix function for every pixel is 4X8/ passage, exports requirement by 10bit1024 color range rank,
Single pixel is 4 X8 point X3 channel layers.
Five-channel can be set and be respectively A, B, C, D, E.And each ink dot is that in above-mentioned 5 passages, passage is folded two-by-two
Adding, if two passages are respectively A, B, it is as follows for 0-31,4X8 picture element matrix that value is selected in the output of every passage:
0,1,2,3；
4,5,6,7；
8,9,10,11；
12,13,14,15；
16,17,18,19；
20,21,22,23；
24,25,26,27；
28,29,30,31；
Wherein, the ink dot distribution matrix of passage A and passage B is as shown in Figure 3 and Figure 4.
Further, described ink dot also include some there is different printing ink concentration ink dot (as it is shown in figure 5,
Representing by grid density in ink dot, the closeest indicated concentration of grid is the highest).By arranging the different ink of many groups
The ink dot of concentration, can provide the adjustment (graded of ink dot concentration) of many dimensions to ink dot, with
The fixing optical density (OD) of original amplitude modulationfrequency modulation ink dot is compared, it is possible to the concentration ladder realizing third dimension adjusts,
Thus well solving a sense of modulating net, low order adjusts resolution, has circulated the abundant rank of amplitude modulation mechanism
Reconcile analysis, turn avoid big site and the moire of amplitude modulation net, Flos Rosae Rugosae speckle, and the problem of low resolution.
In sum, traditional amplitude has well been evaded in the application of above-mentioned amplitude modulation brilliant lattice point structure
Flos Rosae Rugosae speckle, moire so that common spray drawing machine perfection realizes the combination of FMAM net, combines frequency modulation, amplitude modulation
The respective advantage of linked network, has evaded modulating net and the shortcoming of amplitude modulation net simultaneously.And, it can be applied existing
On modern popular multi-path high accuracy spray drawing apparatus, initial input is cheap, respond well. applied range.
It is understood that for those of ordinary skills, can be according to technology of the present utility model
Scheme and this utility model conceive in addition equivalent or change, and all these change or replace all should belong to
Scope of the claims appended by this utility model.
Claims (3)
1. a printing net-point structure, it is characterised in that described printing net-point structure is by Density Distribution and ink
The ink dot composition that some area differs, forms printing complementary region and discrete/overlapping region；
In described complementary region, the ink-jet path that nozzle output is corresponding, formed predetermined big in predetermined position
Little ink dot；In described discrete or overlapping region, the picture element matrix formed with predetermined ink-jet path superposition
Distribution arranges the ink dot of predefined size；
Described ink dot also includes some ink dots with different printing ink concentration.
Printing net-point structure the most according to claim 1, it is characterised in that described printing net-point is tied
Structure is made up of the ink dot superposition that 5 ink-jet paths are corresponding.
Printing net-point structure the most according to claim 1, it is characterised in that the coincidence of described ink dot
Point and leak source exist with the distribution of secondary Discrete Stochastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620497438.XU CN205812163U (en) | 2016-05-27 | 2016-05-27 | A kind of printing net-point structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620497438.XU CN205812163U (en) | 2016-05-27 | 2016-05-27 | A kind of printing net-point structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205812163U true CN205812163U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620497438.XU Expired - Fee Related CN205812163U (en) | 2016-05-27 | 2016-05-27 | A kind of printing net-point structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421975A (en) * | 2020-05-13 | 2020-07-17 | 泉州陶纪塑胶有限公司 | Anti-interference printing process for patterns of mobile phone shell and mobile phone shell |
-
2016
- 2016-05-27 CN CN201620497438.XU patent/CN205812163U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421975A (en) * | 2020-05-13 | 2020-07-17 | 泉州陶纪塑胶有限公司 | Anti-interference printing process for patterns of mobile phone shell and mobile phone shell |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20180527 |
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| CF01 | Termination of patent right due to non-payment of annual fee |