72results about "Visual representation by matrix printers" patented technology

An inkjet printing apparatus comprises: a first printing unit that prints a specific color image by applying a specific color ink having a specific color on a printing medium; a second printing unit that prints a color image by applying a color ink onto the specific color image printed on the printing medium; and a control unit that controls an application amount of the specific color ink by the first printing unit. The control unit determines an application amount per unit area of the specific color ink in accordance with a viewing condition in a case where an observer views a printing medium on which the color image is printed.

An inkjet printing apparatus includes: a positional displacement amount calculation unit configured to, during printing processing, calculate a positional displacement amount of printing paper in a paper width direction based on colorimetric data obtained by colorimetry of a color chart by a colorimeter; a colorimeter movement mechanism configured to move the colorimeter; and a colorimeter movement control unit configured to control an operation of the colorimeter movement mechanism based on the positional displacement amount calculated by the positional displacement amount calculation unit.

A printing method includes executing a duplication process so that a left-end nozzle (42L) of a first head (11B) and a right-end nozzle (42R) of a second head (11A) form the same pixel. Even in a case where an amount of overlap between two pixels which are formed by two liquid droplets ejected, respectively, from an end nozzle of one head unit and an end nozzle of the other head unit which are adjacent to each other is not 0 (zero), the printing method is capable of reducing the decrease in image quality due to the amount of overlap which is not 0.

The invention discloses a two-dimensional code jet printing quality control method and system, and relates to the technical field of industrial automation, and the method comprises the steps: obtaining ink batch information, paper model information and environment temperature and humidity data based on a production work order, comparing the information with pre-stored standard production conditions, and inputting the information to a predictive compensation model to output a predictive adjustment amount; setting nozzle voltage, nozzle temperature and trimming parameters of the code spraying equipment according to the predictive adjustment amount; performing two-dimensional code jet printing based on the set nozzle voltage, nozzle temperature and trimming parameters, performing appearance quality detection on the jet-printed two-dimensional code by using an online visual detection module to generate an initial detection result, and regularly extracting samples to perform offline two-dimensional code grade detection; and comparing the initial detection result with a preset qualified threshold, and combining the offline two-dimensional code grade data. According to the invention, qualitative change from passive error correction to active prevention is realized, and the quality stability, the production efficiency and the intelligent level of the two-dimensional code jet printing process are improved.

Provided is a can manufacturing method, comprising: creating separation data by separating platemaking editing data for each ink color of a printing machine that performs printing on a surface of a can; and manufacturing a proof can by outputting an image corresponding to the platemaking editing data by an ink-jet printer based on the platemaking editing data or the separation data and a predetermined conversion rule, and arranging the image on a can surface, wherein the conversion rule has a rule to reproduce, by ink of the ink-jet printer, the ink color of the printing machine printed based on the separation data.

An image forming apparatus includes a first ejection portion, a second ejection portion, a detection processing portion, and a determination processing portion. The first ejection portion includes a plurality of first nozzles. The second ejection portion includes a plurality of second nozzles. The detection processing portion detects, for each line data included in image data, edges included in a correspondence area corresponding to an overlapping portion between the plurality of first nozzles and the plurality of second nozzles in the line data. The determination processing portion determines, when the edges are detected, a division position for dividing the line data based on a position of any of the edges, and randomly determines, when the edges are not detected, the division position in the correspondence area.

An apparatus comprises: a printing unit configured to print an image on a print medium by applying a first ink, a second ink, a first reactive liquid, and a second reactive liquid; a generation unit configured to generate first print data by the first ink based on first image data, and generate second print data by the second ink based on second image data; a determination unit configured to determine application amounts of the first ink, the second ink, the first reactive liquid, and the second reactive liquid based on the first print data and the second print data; a conveyance unit configured to convey the print medium; and a control unit configured to control the printing unit to drive the printing unit in synchronization with conveyance by the conveyance unit based on the determined application amounts.

A printing apparatus includes a halftone processing section that uses a dither mask to determine whether or not to form a dot in each of a plurality of pixels constituting an output image based on an input gradation value of an original image, and a head unit that forms the output image on a medium based on a processing result of the halftone processing section, the output image includes a mixed region and a single region, a length of the mixed region is a first length, a length of the single region is a second length, and the number of elements of the dither mask is N times or 1 / N times a total number of the number of pixels corresponding to the first length and the number of pixels corresponding to the second length.

An output image includes a first pixel group, and a second pixel group. A halftone processing unit that performs halftone processing on a original image causes an arrangement of pixels where dots are formed in the first pixel group to have a distribution having a first characteristic relating to dispersibility, and in the second pixel group to have a distribution having a second characteristic relating to dispersibility and causes the distribution according to the second characteristic not to be correlated with the distribution according to the first characteristic when the input tone value of the original image is equal to or higher than a intermediate value. Then, the on and off of the dot in the arrangement having the first characteristic in the first pixel group is determined, and the on and off of the dot in the arrangement having the second characteristic in the second pixel group is determined.

A method of setting a printhead drive voltage of a printhead (40) of a bidirectional scanning type multicolor inkjet printer (12) for printing an image on a print medium, the method includes printing a first test pattern (28; 30) by ejecting a first droplet (44) and a second droplet from a nozzle (42) of each printhead (40) at different printhead drive voltages during movement of the carriage (14) by a first stroke and an opposite second stroke in a scan direction at a predetermined position of the printhead. The injection velocity is calculated according to the test pattern scan, and the injection velocity is compared to a reference injection velocity. Based on the comparison, a corrected printhead drive voltage that can be used for actual printing is determined.

An image processing apparatus includes an obtaining unit to obtain image data, a judgment unit to judge whether a barcode is included in the image data for each piece of band data corresponding to a printable region by scanning a printing unit, the barcode formed of a region in which bars are arranged side-by-side in a direction in which the printing unit scans over a printing medium, the judgment unit judging whether to use only a black printing element in the scanning for printing the band data. A determination unit determines the number of times to perform scanning for completing printing the piece of band data judged as not including the barcode is a first number, and that the number of times to perform scanning for completing printing the piece of band data judged as including the barcode by the judgment unit is a second number greater than the first.

Systems and methods for operating a printing system. The methods comprise: identifying a pixel in a bit map (BM) in which ink drop is to be ejected by inoperative inkjet (the pixel having a first drop value (DV)); identifying other pixels in BM that are to be analyzed in a pixel order defined by a displacement map (each other pixel having a second DV); performing a higher preference action analysis of only first ones of the pixels assigned a given priority level of a plurality of different priority levels defined by a priority map to determine whether a higher preference action (TPA) is allowable based on first and second DVs; and performing a lower preference action analysis of only the first ones of the pixels to determine whether a lower preference action is allowable based on first and second DVs, when a determination is made that HPA is not allowable.

As a result of the processing by the dot arrangement unit, dots are arranged so that in a first edge pixel group located in a first end portion of the object in the scanning direction and adjacent to a boundary between the object and an outside of the object, a ratio of arranging dots in the second regions is lower than a ratio of arranging dots in the first regions, and in a second edge pixel group adjacent to the boundary and located in a second end portion different from the first end portion and on a opposite side of the first end portion in the scanning direction, a ratio of arranging dots in the first regions is lower than a ratio of arranging dots in the second regions.

The invention discloses a method of forming a coating on a substrate. The method provides controlled application of overlapping strips to reduce significant overlapping areas. The method comprises: providing a high transfer efficiency applicator; receiving the image data and a predefined non-linear laying pattern; determining a plurality of overlapping strips, each strip being processable by at least one printhead and forming an overlapping region with an adjacent strip; distributing each overlapping area between adjacent strips, and distributing complementary parts of the non-linear laying pattern to the adjacent strips; applying a coating composition to at least one first strip using the applicator and forming a first portion of the non-linear lay-up pattern in at least one overlapping region thereof; and applying the coating composition to at least one second strip and forming a second portion of the non-linear lay-up pattern in the at least one overlap region.

A controller of an ink-jet recording apparatus creates, for each of line heads, a print queue indicating a queue of print jobs each for forming a multicolor image on a sheet and sequentially executes the print jobs in accordance with the print queue. When a width of the sheet is smaller than a sheet width for use in the print job not yet being executed, the controller sets, on a basis of each of the line heads, width information on the sheet in association with the print job not yet being executed in the print queue at the line head and executes, based on the width information set with respect to the print job not yet being executed at each of the line heads, mask processing for reducing a size of a color image of the print job not yet being executed in a widthwise direction of the sheet.

A printing apparatus including a head; a conveyor; and a controller. The controller is configured to execute: a first obtaining process of obtaining information on drying risk of an ink; and a printing process. A partial image includes an overlap image and a non-overlap image. The controller is configured to execute a second obtaining process of obtaining, based on the information on the drying risk, a first or second mask pattern as a mask pattern of a mask to be applied to image data of the overlap image. A number of a mask part of the second mask pattern with respect to an end part, of the overlap image, located away from the non-overlap image is smaller than a number of the mask part of the first mask pattern with respect to the end part.

An image recording apparatus includes a platen, a recorder, and a controller. The platen includes ribs arranged at intervals in a first direction and protruding from a base. The platen supports a recording medium on at least a part of the ribs. The recorder is arranged to face the platen and records an image on the recording medium by causing a colorant to adhere to the recording medium. The controller controls the recorder to record a borderless image, in which no margin is reserved at least on a first end of the recording medium, by causing a portion of the colorant to adhere to the recording medium and another portion of the colorant to exceed in the first direction from the first end of the recording medium by a first length. The first length is a length corresponding to a size of the recording medium in the first direction.

A recording condition determining method executed by a recording device performing recording by a main scanning (P1, P2, P3, P4), in which while moving a recording head (15) in a main scanning direction (D1, D2), dots are ejected from nozzles (17) onto a recording medium (30), and a sub scanning, in which the recording medium is transported in a sub scanning direction (D3). The method includes a patch recording step of recording patches (45, 46, 47, 45-1, 46-1, 47-1) on the recording medium by overlap-processing in which the main scanning is performed on a partial region of the recording medium a plurality of times in an overlapping manner, the patch recording step being performed by recording the patches at a plurality of different positions in the sub scanning direction by a plurality of types of the overlap-processing under respectively different recording conditions, in a single recording job performed by the recording device. The method further includes a selection accepting step of accepting selection of a patch from among a plurality of the recorded patches, and a determination step of determining, as a recording condition of the overlap-processing of an actual recording, the recording condition of the overlap-processing corresponding to the patch selected in the selection accepting step.

A method, preferably a computer-implemented method, for synthesizing m-bit print data and for providing the data to a printer, the method including: a) inputting object-based data of at least one image in the form of a page description language into a raster image processor having at least one system-on-chip comprising a plurality of processors; b) converting the object-based data into n-bit pixel data of each color channel of a first target color space with a predefined image resolution by providing the object-based data to some or to all of the plurality of processors and processing the data in parallel by means of the processors; c) converting the n-bit pixel data of each color channel into m-bit print data of each color channel of a second target color space by means of at least one dithering algorithm and storing or buffering the m-bit print data in an output memory; d) providing the m-bit print data to the printer and printing on at least one print medium by means of the printer. The system-on-chip is provided as a programmable system-on-chip and the processors are provided as single-instruction-multiple-data-capable or multiple-instruction-multiple-data-capable processors each having at least one vector-based arithmetic logic unit, which vector-based arithmetic logic units have each been configured in such a way that, during the parallel processing according to step b), a plurality of object-based data entering the relevant arithmetic logic unit in parallel, each having a bit width of x-bit, is converted using a predefined set of arithmetic operations into pixel data having a bit width of y-bit, which is greater than the bit width of x-bit, wherein subsequently the y-bit pixel data in the form of a pixel matrix consisting of an integer number of n-bit pixel data is stored or buffered in a pixel memory.

The present invention provides a printing system and a printing method in which precision of a printing process is improved, the printing system including: a controller that generates printing data; a user device generating a first control command, generating modulation data based on a user input, and generating a second control command based on the user input; an additional controller receiving the print data and a second control command, the additional controller generating a driving signal based on the second control command, and the additional controller including a memory for storing waveform information received from the user device; and a printing device performing a printing operation based on the driving signal.

A three-dimensional object printing apparatus includes a liquid ejection head that has a plurality of nozzles ejecting a liquid toward a workpiece, a multi-joint robot that has a tip end portion supporting the liquid ejection head and causes the liquid ejection head to scan with respect to the workpiece, and a control portion that creates a printing path along which the liquid ejection head is scanned, in which the control portion generates smoothing data by performing smoothing processing on workpiece data indicating a shape of a printing surface, which is a surface of the workpiece to be printed, and creates the printing path based on the smoothing data.

Dual-substrate inkjet printers, processing systems using such printers, and methods of processing substrates using such printers are described herein. The dual-substrate inkjet printers have a substrate support, a print support extending across the substrate support and supporting a printhead assembly for dispensing material onto a substrate supported on the substrate support, a first substrate holder on a first side of the substrate support adjacent to a first substrate location on the substrate support to move a first substrate along the substrate support; and a second substrate holder on a second side of the substrate support opposite from the first substrate holder and adjacent to a second substrate location on the substrate support to move a second substrate along the substrate support.