150results about "Visual representation by matrix printers" patented technology

Systems and methods related to adaptive ribbon speed control for a line matrix impact printer are provided. A ribbon cartridge includes a ribbon configured to be driven at a ribbon speed, and a ribbon gear configured to rotate with movement of the ribbon. The ribbon includes a ribbon joint patch detectable via a first sensor to determine a first ribbon speed of the ribbon. Rotation of the ribbon gear is detectable via a second sensor to determine a second ribbon speed of the ribbon. A target ribbon speed is determined based on at least one print job characteristic. A current ribbon speed is determined based on the first ribbon speed and the second ribbon speed. The ribbon speed is adjusted based on a difference between the current ribbon speed and the target ribbon speed. Associated systems and methods are also provided.

Systems and methods related to adaptive ribbon speed control for a line matrix impact printer are provided. A ribbon cartridge includes a ribbon configured to be driven at a ribbon speed, and a ribbon gear configured to rotate with movement of the ribbon. The ribbon includes a ribbon joint patch detectable via a first sensor to determine a first ribbon speed of the ribbon. Rotation of the ribbon gear is detectable via a second sensor to determine a second ribbon speed of the ribbon. A target ribbon speed is determined based on at least one print job characteristic. A current ribbon speed is determined based on the first ribbon speed and the second ribbon speed. The ribbon speed is adjusted based on a difference between the current ribbon speed and the target ribbon speed. Associated systems and methods are also provided.

The present invention discloses a method, device and storage medium for automatically locating the starting point of label printing consumables, and relates to the technical field of printers. By presetting the standard parameters of label consumables on the printer mainboard, driving the trolley to run at a low speed along the X-axis, using a photoelectric sensor to detect the edge of the label and record the grating value to form a set L1, the mainboard CPU calculates and matches according to the label parameters, determines the ink outlet line of the X-axis, performs Y-axis measurement through the stepping reverse distance method, records the stepping value when spitting out the label, and generates a metric distance set L2; the present invention greatly improves the working efficiency and printing accuracy of the label printer through automation technology, reduces manual intervention, automatically identifies the specifications of consumables and automatically locates the printing starting point, ensures the adaptability of consumables of different specifications and the rapid calibration after the consumables are offset, and can also realize unattended continuous printing and consumable replacement adaptation, reduce the complexity of operation, and improve production efficiency and the flexibility of printing operations.

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 printer and a method for printing of pages on a continuous media, such as labels, with any desired or practical spacing using fixed head printheads that have spacing limitations for printing pages on the continuous media. The printer can be configured to detect a top of form mark on the continuous media as it is moved through a media path in the printer and initiating printing of an image on an adjacent page or label at the position indicated by the top of form mark.

A droplet discharging head executes multi-path recording in which dot recording in one main scanning line is completed by n main scans when n is an integer of 2 or more. The droplet discharging head includes: a plurality of nozzles configured to discharge a liquid as droplets; a pressure chamber defining substrate defining a pressure chamber communicating with the nozzles; a piezoelectric element including a first electrode, a second electrode, and a piezoelectric layer containing a perovskite-type composite oxide containing K, Na, and Nb as a main component; and a vibration plate forming a part of a wall surface of the pressure chamber and configured to vibrate by driving of the piezoelectric element. The number of paths n in the multi-path recording, a piezoelectric constant d31 [m / v] of the piezoelectric element, and a ratio x of a Na molar fraction to a total value of a K molar fraction and the Na molar fraction in the piezoelectric layer satisfy a relationship represented by a formula (1).

A printer and a method for printing of pages on a continuous media, such as labels, with any desired or practical spacing using fixed head printheads that have spacing limitations for printing pages on the continuous media. The printer can be configured to detect a top of form mark on the continuous media as it is moved through a media path in the printer and initiating printing of an image on an adjacent page or label at the position indicated by the top of form mark.

Disclosed is a printing apparatus for a 3D surface, which performs printing by ejecting a droplet onto a 3D surface and controlling an electric field on an impact path of the droplet, the printing apparatus including: a ejecting environment information provider configured to provide ejecting environment information between a nozzle and an impact point; and a controller configured to predict a result of printing on an actual substrate by accumulating previous printing results according to printing conditions and the ejecting environment information into a database, and perform the printing on the 3D surface while changing the printing conditions provided by the database based on the ejecting environment information provided by the ejecting environment information provider.

A test pattern used for imaging in the information terminal's imaging section to adjust printing characteristics of a printing device that includes a recording head, wherein a density pattern for adjusting printing density, as one of the printing characteristics, is included in an imaging target region of the test pattern and the arrangement region of the density pattern within the imaging target region is symmetrical with respect to either the center of the imaging target region or a straight line passing through the center as the reference.

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.

A liquid discharge apparatus (100) includes multiple heads (122) and a discharge control unit (212). The multiple heads (122) include a first head (122a) and a second head (122b). A first nozzle array has first overlapped nozzles in one end in an array direction. A second nozzle array has second overlapped nozzles in another end in the array direction. The second overlapped nozzles are overlapped with the first overlapped nozzles in an overlapping region (300) in the array direction. The discharge control unit (212) causes the multiple heads (122) to discharge liquid droplets to form mask pattern having both of first pixels and second pixels arrayed in the array direction in the overlapping region (300) and intersecting pixels having either the first pixels or the second pixels arrayed in an intersecting direction intersecting the array direction in the overlapping region (300).

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.

A non-transitory computer readable storage medium storing a guideline display program configured to be executed by a computer in an image data generation device. The image data generation device including the computer and a display. The computer being configured to generate image data on an image. The image is formed by ejecting ink from an ejection head onto a printed medium placed on a platen. The guideline display program includes instructions which, when executed by the computer, cause the computer to execute a setting step of causing the display to display a setting screen of a guideline indicating a printable region, and a display step of causing the display to display the line and of causing the display to display the guideline on at least an inner side of the platen region.

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.

Methods and systems for securely rendering a security feature with image data to be printed, can involve providing within the image data, data relating to a group of spots, and within the image data, mixing spots of two or more spot sizes among the group of spots to embed information within a stochastic or frequency modulation halftone image. In an embodiment, operations may be implemented for rendering a part of the image with a first spot among the group of spots and a remaining portion of the image with a second spot among the group of spots, wherein the second spot is smaller in size than the first spot.

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.

The present application is applicable to the field of printing technology, and provides an inkjet printing barcode processing method, device and electronic device. The above-mentioned inkjet printing barcode processing method includes: arranging the layout of the barcode to be printed to obtain a page number description file; performing task decomposition of the printing task according to the number of inkjet heads to obtain multiple decomposition tasks; extracting the barcode data corresponding to the printing task from the database; determining the current page number dot matrix data and position information based on the barcode data and the page number description file; determining the regional dot matrix data and regional position information corresponding to each decomposition task from the current page number dot matrix data and position information; and sending the regional dot matrix data and regional position information corresponding to each decomposition task to the numerical control system. The above-mentioned method can improve the generation speed of inkjet printing barcodes and meet the high requirements on inkjet printing speed.