CN117507605A - Method, device, equipment and medium for realizing arbitrary resolution printing - Google Patents
Method, device, equipment and medium for realizing arbitrary resolution printing Download PDFInfo
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- CN117507605A CN117507605A CN202311251045.1A CN202311251045A CN117507605A CN 117507605 A CN117507605 A CN 117507605A CN 202311251045 A CN202311251045 A CN 202311251045A CN 117507605 A CN117507605 A CN 117507605A
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- 238000007639 printing Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000000737 periodic effect Effects 0.000 claims abstract description 8
- 230000000630 rising effect Effects 0.000 claims description 23
- 238000004590 computer program Methods 0.000 claims description 17
- 230000008859 change Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The embodiment of the invention discloses a method, a device, equipment and a medium for realizing printing with any resolution, and relates to the technical field of printing. The method comprises the following steps: generating a periodic reference signal based on a scale of the measuring instrument; acquiring a target resolution, and determining a ratio of an ink ejection period to a signal period of the reference signal based on the target resolution and a reference resolution of the measuring instrument; acquiring the duration of a signal period of the reference signal; determining an ink ejection period based on the duration of the signal period and the ratio; and determining a starting point from the reference signal, starting from the starting point, and controlling the printer to repeatedly jet ink based on the ink jet period, so that printing with any resolution can be realized, and the applicability is wider. And this scheme just can realize based on original grating or the magnetic grating of printer, need not to change grating or magnetic grating, and the cost is lower.
Description
Technical Field
The present invention relates to the field of printing technologies, and in particular, to a method, an apparatus, a device, and a medium for implementing printing with arbitrary resolution.
Background
The existing printing ink jet point refers to the graduation of a grating or a magnetic grating, two A, B signals which are 90 degrees different are output through a decoder, and ink jet is started at the rising edge or the falling edge of an A signal or a B signal. According to the printing mode of the prior art, the resolution of printing is an integer multiple of the resolution of the raster or the magnetic raster.
For example, for a 180DP I raster, only 180,360,540,720 resolution can be printed, but not 600 resolution, which is a limitation, and printing at any resolution cannot be achieved. If an image of another resolution is to be printed, the corresponding raster or magnetic raster needs to be replaced.
Disclosure of Invention
The embodiment of the invention provides a method, a device, equipment and a medium for realizing printing with any resolution, which aim to solve the problem that printing with any resolution cannot be realized in the prior art.
In a first aspect, an embodiment of the present invention provides a method for implementing printing at any resolution, including:
generating a periodic reference signal based on a scale of the measuring instrument;
acquiring a target resolution, and determining a ratio of an ink ejection period to a signal period of the reference signal based on the target resolution and a reference resolution of the measuring instrument;
acquiring the duration of a signal period of the reference signal;
determining an ink ejection period based on the duration of the signal period and the ratio;
and determining a starting point from the reference signal, starting from the starting point, and controlling the printer to repeatedly jet ink based on the ink jet period.
The further technical scheme is that the determining the ratio of the ink jetting period to the signal period of the reference signal based on the target resolution and the reference resolution of the measuring instrument comprises:
and obtaining the quotient of the reciprocal of the target resolution and the reciprocal of the reference resolution as the ratio.
The further technical scheme is that the obtaining the duration of the signal period of the reference signal includes:
starting counting from the rising edge/falling edge of the reference signal at a preset reference frequency until the next rising edge/falling edge of the reference signal stops counting, and obtaining a count value;
a duration of a signal period of the reference signal is determined based on the count value and the reference frequency.
The further technical scheme is that the determining the ink-jet period based on the duration of the signal period and the ratio includes:
and obtaining the product of the duration of the signal period and the ratio as the ink jet period.
The further technical scheme is that the determining a starting point from the reference signal includes:
the rising/falling edge of the reference signal is used as the starting point.
The further technical scheme is that the control of the printer to repeatedly jet ink based on the ink jet period from the starting point comprises the following steps:
and controlling the printer to start ink ejection from the starting point, and then controlling the printer to perform ink ejection once every one ink ejection period.
The measuring device comprises a grating and a magnetic grating.
In a second aspect, an embodiment of the present invention further provides an apparatus for implementing printing at any resolution, which includes a unit for performing the above method.
In a third aspect, an embodiment of the present invention further provides a computer device, which includes a memory and a processor, where the memory stores a computer program, and the processor implements the method when executing the computer program.
In a fourth aspect, embodiments of the present invention also provide a computer readable storage medium storing a computer program which, when executed by a processor, implements the above method.
The embodiment of the invention provides a method, a device, equipment and a medium for realizing printing with any resolution. Wherein the method comprises the following steps: generating a periodic reference signal based on a scale of the measuring instrument; acquiring a target resolution, and determining a ratio of an ink ejection period to a signal period of the reference signal based on the target resolution and a reference resolution of the measuring instrument; acquiring the duration of a signal period of the reference signal; determining an ink ejection period based on the duration of the signal period and the ratio; and determining a starting point from the reference signal, starting from the starting point, and controlling the printer to repeatedly jet ink based on the ink jet period, so that printing with any resolution can be realized, and the applicability is wider. And this scheme just can realize based on original grating or the magnetic grating of printer, need not to change grating or magnetic grating, and the cost is lower.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for implementing printing with arbitrary resolution according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of determining a landing point in a reference signal in a method for implementing printing with arbitrary resolution according to an embodiment of the present invention;
FIG. 3 is a schematic block diagram of an apparatus for implementing arbitrary resolution printing according to an embodiment of the present invention;
fig. 4 is a schematic block diagram of a computer device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As used in this specification and the appended claims, the term "if" may be interpreted as "when..once" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".
Referring to fig. 1, fig. 1 is a flowchart of a method for implementing printing with arbitrary resolution according to an embodiment of the present invention. Printing of arbitrary resolution can be achieved by this method, which includes the following steps S1-S5, as shown in fig. 1.
S1, generating a periodic reference signal based on the scale of the measuring instrument.
In a specific implementation, the measuring instrument comprises a grating and a magnetic grating. The grating or magnetic grating can be used as a measuring instrument by those skilled in the art according to the actual situation, and the present invention is not particularly limited thereto.
Specifically, a periodic reference signal is generated by a decoder based on the graduations of the measuring instrument, each graduation corresponding to one period of the reference signal. The reference signal has a rising edge and a falling edge.
S2, acquiring target resolution, and determining the ratio of the ink jet period to the signal period of the reference signal based on the target resolution and the reference resolution of the measuring instrument.
In a specific implementation, the target resolution is a resolution set by a user. It will be appreciated that the target resolution may be arbitrarily set by the user, and the present invention is not particularly limited.
The reference resolution of the measuring instrument is then a parameter of the measuring instrument, which is fixed, for example, in one embodiment, 180dpi.
Specifically, the ratio of the ink ejection period to the signal period of the reference signal is determined based on the target resolution and the reference resolution of the measuring instrument, and specifically, how many raster (magnetic grid) points (one raster (magnetic grid) point corresponds to one scale) each image point (ink ejection point) corresponds to is calculated.
In an embodiment, the step of determining the ratio of the ink ejection period to the signal period of the reference signal based on the target resolution and the reference resolution of the measuring instrument specifically includes: and obtaining the quotient of the reciprocal of the target resolution and the reciprocal of the reference resolution as the ratio.
In a specific embodiment, the resolution of the raster is 180dpi, and when an image with the target resolution of 310dpi needs to be printed, each image point= (1/310)/(1/180) = 0.5806 raster points, i.e. one image point is printed every 0.5806 raster periods. Thus, the ratio of the ink ejection period to the signal period of the reference signal is 0.5806.
S3, acquiring the duration of the signal period of the reference signal.
In a specific implementation, the duration of the signal period of the reference signal is measured in real time.
For example, in one embodiment, the step of "obtaining the duration of the signal period of the reference signal" includes: starting counting from the rising edge/falling edge of the reference signal at a preset reference frequency until the next rising edge/falling edge of the reference signal stops counting, and obtaining a count value; a duration of a signal period of the reference signal is determined based on the count value and the reference frequency.
Specifically, the fpga (Field-Programmable Gate Array, field programmable gate array) program of the printer counts from the rising edge of the reference signal to the end of the next rising edge at a reference frequency of 70Mhz, resulting in a count value. Dividing the count value by the reference frequency is the duration of the signal period of the reference signal.
Alternatively, at a reference frequency of 70Mhz, the count value is obtained from the start of counting from the rising edge of the reference signal until the end of counting the next rising edge. Dividing the count value by the reference frequency is the duration of the signal period of the reference signal.
Alternatively, at a reference frequency of 70Mhz, a count value is obtained from the start of counting from the rising edge of the reference signal until the end of counting the next falling edge (only half a cycle is calculated at this time). Dividing the count value by the reference frequency and multiplying the count value by 2 to obtain the duration of the signal period of the reference signal.
Alternatively, at a reference frequency of 70Mhz, a count value is obtained from the start of counting from the rising edge of the reference signal until the end of counting the next rising edge (only half a cycle is calculated at this time). Dividing the count value by the reference frequency and multiplying the count value by 2 to obtain the duration of the signal period of the reference signal.
And S4, determining the ink-jet period based on the duration of the signal period and the ratio.
In a specific implementation, according to the duration of the signal period and the ratio, the duration of the ink ejection period can be determined.
For example, in one embodiment, the step of determining the ink ejection period based on the duration of the signal period and the ratio includes: and obtaining the product of the duration of the signal period and the ratio as the ink jet period.
S5, determining a starting point from the reference signal, starting from the starting point, and controlling the printer to repeatedly jet ink based on the ink jet period.
In a specific implementation, a starting point for starting printing is determined from the reference signal, and then, starting from the starting point, the printer is controlled to repeatedly perform ink ejection based on the ink ejection period, i.e. one ink ejection point is printed every time one ink ejection period passes. Referring to fig. 2, each drop point (ink ejection point) of the printer is determined with the rising edge of the reference signal as a start point for starting printing, and a printing process is performed once at each drop point.
In one embodiment, the step of determining a starting point from the reference signal specifically includes: the rising/falling edge of the reference signal is used as the starting point. I.e., a rising edge or a falling edge of the reference signal can be used as a starting point for starting printing, the present invention is not particularly limited.
In one embodiment, the step of "starting from the start point, controlling the printer to repeatedly perform ink ejection based on the ink ejection period" specifically includes: and controlling the printer to start ink ejection from the starting point, and then controlling the printer to perform ink ejection once every time an ink ejection period passes, namely printing one ink ejection point.
And then, when the print job is started each time, receiving the target resolution input by the user, repeating the steps S1-S4, determining the ink-jet period, sending the ink-jet period to the fpga program of the printer, and printing with any resolution can be realized based on the step S5.
According to the technical scheme, a periodic reference signal is generated based on the scale of the measuring instrument; acquiring a target resolution, and determining a ratio of an ink ejection period to a signal period of the reference signal based on the target resolution and a reference resolution of the measuring instrument; acquiring the duration of a signal period of the reference signal; determining an ink ejection period based on the duration of the signal period and the ratio; and determining a starting point from the reference signal, starting from the starting point, and controlling the printer to repeatedly jet ink based on the ink jet period, so that printing with any resolution can be realized, and the applicability is wider. And this scheme just can realize based on original grating or the magnetic grating of printer, need not to change grating or magnetic grating, and the cost is lower.
Referring to fig. 3, fig. 3 is a schematic block diagram of an apparatus 20 for implementing arbitrary resolution printing according to an embodiment of the present invention. Corresponding to the above method for realizing arbitrary resolution printing, the present invention also provides an apparatus 20 for realizing arbitrary resolution printing. The apparatus 20 for implementing the arbitrary resolution printing includes a unit for performing the above-described method for implementing the arbitrary resolution printing, and the apparatus 20 for implementing the arbitrary resolution printing may be configured in a desktop computer, a tablet computer, a portable computer, or the like. Specifically, the apparatus 20 for implementing arbitrary resolution printing includes:
a generation unit 21 for generating a periodic reference signal based on the scale of the measuring instrument;
a first determining unit 22 for acquiring a target resolution, determining a ratio of an inkjet period to a signal period of the reference signal based on the target resolution and a reference resolution of the measuring instrument;
an acquiring unit 23, configured to acquire a duration of a signal period of the reference signal;
a second determining unit 24 for determining an ink ejection period based on the length of the signal period and the ratio;
a control unit 25 for determining a start point from the reference signal, starting from the start point, and controlling the printer to repeatedly perform ink ejection based on the ink ejection period.
In an embodiment, the determining a ratio of an ink ejection period to a signal period of the reference signal based on the target resolution and a reference resolution of the measuring instrument comprises:
and obtaining the quotient of the reciprocal of the target resolution and the reciprocal of the reference resolution as the ratio.
In an embodiment, the acquiring the duration of the signal period of the reference signal includes:
starting counting from the rising edge/falling edge of the reference signal at a preset reference frequency until the next rising edge/falling edge of the reference signal stops counting, and obtaining a count value;
a duration of a signal period of the reference signal is determined based on the count value and the reference frequency.
In an embodiment, the determining the ink ejection period based on the duration of the signal period and the ratio includes:
and obtaining the product of the duration of the signal period and the ratio as the ink jet period.
In an embodiment, said determining a starting point from said reference signal comprises:
the rising/falling edge of the reference signal is used as the starting point.
In an embodiment, the controlling the printer to repeatedly perform the ink ejection based on the ink ejection period, starting from the start point, includes:
and controlling the printer to start ink ejection from the starting point, and then controlling the printer to perform ink ejection once every one ink ejection period.
In an embodiment, the measuring instrument comprises a grating and a magnetic grating.
It should be noted that, as those skilled in the art can clearly understand, the specific implementation process of the apparatus 20 and each unit for implementing the printing with any resolution may refer to the corresponding description in the foregoing method embodiment, and for convenience and brevity of description, the description is omitted here.
The apparatus 20 for achieving any resolution printing described above may be embodied in the form of a computer program which is executable on a computer device as shown in figure 4.
Referring to fig. 4, fig. 4 is a schematic block diagram of a computer device according to an embodiment of the present application. The computer device 500 may be a terminal or a server, where the terminal may be an electronic device with a communication function, such as a smart phone, a tablet computer, a notebook computer, a desktop computer, a personal digital assistant, and a wearable device. The server may be an independent server or a server cluster formed by a plurality of servers.
The computer device 500 includes a processor 502, a memory, and a network interface 505, connected by a system bus 501, where the memory may include a non-volatile storage medium 503 and an internal memory 504.
The non-volatile storage medium 503 may store an operating system 5031 and a computer program 5032. The computer program 5032, when executed, causes the processor 502 to perform a method of implementing arbitrary resolution printing.
The processor 502 is used to provide computing and control capabilities to support the operation of the overall computer device 500.
The internal memory 504 provides an environment for the execution of a computer program 5032 in the non-volatile storage medium 503, which computer program 5032, when executed by the processor 502, causes the processor 502 to perform a method of achieving arbitrary resolution printing.
The network interface 505 is used for network communication with other devices. It will be appreciated by those skilled in the art that the foregoing structures, which are merely block diagrams of portions of structures related to the present application, are not limiting of the computer device 500 to which the present application may be applied, and that a particular computer device 500 may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
Wherein the processor 502 is configured to execute a computer program 5032 stored in a memory, to implement the steps of a method for implementing printing at any resolution provided by any of the method embodiments described above.
It should be appreciated that in embodiments of the present application, the processor 502 may be a central processing unit (Central Processing Unit, CPU), the processor 502 may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSPs), application specific integrated circuits (Application Specific Integrated Circuit, ASICs), field programmable gate arrays (Field-Programmable Gate Array, FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. Wherein the general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Those skilled in the art will appreciate that all or part of the flow in a method embodying the above described embodiments may be accomplished by computer programs instructing the relevant hardware. The computer program may be stored in a storage medium that is a computer readable storage medium. The computer program is executed by at least one processor in the computer system to implement the flow steps of the embodiments of the method described above.
Accordingly, the present invention also provides a storage medium. The storage medium may be a computer readable storage medium. The storage medium stores a computer program. The computer program, when executed by a processor, causes the processor to perform the steps of a method for implementing any of the resolution printing provided by any of the method embodiments described above.
The storage medium is a physical, non-transitory storage medium, and may be, for example, a U-disk, a removable hard disk, a Read-Only Memory (ROM), a magnetic disk, or an optical disk. The computer readable storage medium may be nonvolatile or may be volatile.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps described in connection with the embodiments disclosed herein may be embodied in electronic hardware, in computer software, or in a combination of the two, and that the elements and steps of the examples have been generally described in terms of function in the foregoing description to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of each unit is only one logic function division, and there may be another division manner in actual implementation. For example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed.
The steps in the method of the embodiment of the invention can be sequentially adjusted, combined and deleted according to actual needs. The units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs. In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The integrated unit may be stored in a storage medium if implemented in the form of a software functional unit and sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention is essentially or part of what contributes to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a terminal, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention.
In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. A method for implementing arbitrary resolution printing, comprising:
generating a periodic reference signal based on a scale of the measuring instrument;
acquiring a target resolution, and determining a ratio of an ink ejection period to a signal period of the reference signal based on the target resolution and a reference resolution of the measuring instrument;
acquiring the duration of a signal period of the reference signal;
determining an ink ejection period based on the duration of the signal period and the ratio;
and determining a starting point from the reference signal, starting from the starting point, and controlling the printer to repeatedly jet ink based on the ink jet period.
2. The method of implementing arbitrary resolution printing of claim 1, wherein the determining a ratio of an ink ejection period to a signal period of the reference signal based on the target resolution and a reference resolution of the measuring instrument comprises:
and obtaining the quotient of the reciprocal of the target resolution and the reciprocal of the reference resolution as the ratio.
3. The method for implementing any resolution printing of claim 1, wherein the acquiring the duration of the signal period of the reference signal includes:
starting counting from the rising edge/falling edge of the reference signal at a preset reference frequency until the next rising edge/falling edge of the reference signal stops counting, and obtaining a count value;
a duration of a signal period of the reference signal is determined based on the count value and the reference frequency.
4. The method of implementing any resolution printing of claim 1, wherein the determining an ink ejection period based on the duration of the signal period and the ratio comprises:
and obtaining the product of the duration of the signal period and the ratio as the ink jet period.
5. The method of implementing any resolution printing of claim 1, wherein said determining a starting point from said reference signal comprises:
the rising/falling edge of the reference signal is used as the starting point.
6. The method of implementing any resolution printing according to claim 1, wherein the controlling the printer to repeatedly perform ink ejection based on the ink ejection period from the start point includes:
and controlling the printer to start ink ejection from the starting point, and then controlling the printer to perform ink ejection once every one ink ejection period.
7. The method of achieving arbitrary resolution printing of claim 1 wherein the measuring instrument includes a grating and a magnetic grating.
8. An apparatus for performing any resolution printing, comprising means for performing the method of any of claims 1-7.
9. A computer device, characterized in that it comprises a memory on which a computer program is stored and a processor which, when executing the computer program, implements the method according to any of claims 1-7.
10. A computer readable storage medium, characterized in that the storage medium stores a computer program which, when executed by a processor, implements the method according to any of claims 1-7.
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| CN202311251045.1A CN117507605A (en) | 2023-09-25 | 2023-09-25 | Method, device, equipment and medium for realizing arbitrary resolution printing |
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| CN202311251045.1A CN117507605A (en) | 2023-09-25 | 2023-09-25 | Method, device, equipment and medium for realizing arbitrary resolution printing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118233569A (en) * | 2024-03-26 | 2024-06-21 | 广州市森扬电子科技有限公司 | Grating signal processing method, equipment and storage medium based on FPGA |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118233569A (en) * | 2024-03-26 | 2024-06-21 | 广州市森扬电子科技有限公司 | Grating signal processing method, equipment and storage medium based on FPGA |
| CN118233569B (en) * | 2024-03-26 | 2024-09-17 | 广州市森扬电子科技有限公司 | Grating signal processing method, equipment and storage medium based on FPGA |
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