B41F33/0036

Continuous-forms color measurement system
11820124 · 2023-11-21 · ·

Systems and methods are provided for measuring a web. One embodiment is a measurement system that includes rollers which receive a web of print media marked with a printed job, a controller which determines that a segment of the web is stationary at the measurement system, an image measurement device that inspects the printed job, and a repositioning mechanism that repositions the segment within the measurement system relative to the image measurement device while portions of the web external to the measurement system remain stationary.

Apparatus and method for monitoring printed containers
11827010 · 2023-11-28 · ·

Monitoring device (50, 52) for monitoring a plurality of containers (10) which have been printed with at least one first image element (B1-B8) by a direct printing machine (20), having a transport device (40) which supplies and/or discharges the printed containers (10) to be monitored along a predefined transport path, in particular individually and successively, to the monitoring device (50, 52), wherein the monitoring device (50, 52) monitors the printed containers (10) at least with respect to the first image element (B1-B8) applied by the direct printing machine (20), and has a memory device (53) which stores the at least one set of first image elements (B1-B8) to be monitored. According to the invention, for each container (10) to be monitored, the monitoring device (50, 52) carries out monitoring taking into account at least one image element (B1-B8) uniquely assigned to this container (10) to be monitored from the set of first image elements (B1-B8) to be monitored.

System and method for controlling color characteristics of a printed image

A method controls the color in a printing press, which includes at least one printing station printing a respective color design. The method includes the procedures of determining a control factor to color model, printing a design on a web and acquiring color characteristics corresponding to the printed design on the web. The method further includes the procedures of determining the color quality of the printed color design and determining a required change to at least one control factor when a correction to the color characteristics of the printed design is required. The change to at least one control factor is determined by determining the at least one control factor with respective color related information, which results in a reference color characteristic, according to the control factor to color model. The method returns to the procedure of printing when a correction is not required.

METHOD FOR TRANSFERRING AND/OR FIXATING A PRINT ON(TO) A SUBSTRATE IN A DEVICE FOR TRANSFER AND/OR FIXATION
20220274393 · 2022-09-01 · ·

A method for transferring and/or fixating a print on(to) a substrate includes feeding a substrate through a device for transfer and/or fixation for the purpose of transferring thereto and/or fixating thereon a print, where the substrate has been provided or is provided with a number of basic colours and optional dilutions thereof, comparing the basic colours and the optional dilutions thereof of the substrate to registered verification basic colours and optional dilutions thereof, and approving or not approving the substrate on the basis thereof, and/or comparing basic colours and optional dilutions thereof of a print paper, to be fed through with the substrate with a print to be transferred and said basic colours and optional dilutions thereof to registered print basic colours and optional dilutions thereof, and approving or not approving the print paper on the basis thereof.

Image inspection apparatus
11434093 · 2022-09-06 · ·

An image inspection apparatus is capable of inspecting an image on a print sheet as an inspection object with high accuracy while conveying the print sheet from an upstream conveyance unit to a downstream conveyance unit. The image inspection apparatus inspects the print sheet conveyed at a first conveyance speed with a first conveyance unit of a printing device, with a first inspection unit, while conveying the print sheet at a second conveyance speed with a second conveyance unit of an inspection device. The first inspection unit is provided in a position downstream of an intermediate position between the first conveyance unit and the second conveyance unit by a length longer than a half of the length of the print sheet. Even when the first conveyance speed and the second conveyance speed are not substantially the same, no disorder occurs in the image read with the first inspection unit.

Flexographic printing machine for printing a substrate web
11433661 · 2022-09-06 · ·

A flexographic printing press for printing a substrate web comprises at least one printing unit and at least one central cylinder. A plurality of printing couples are arranged around the periphery of the at least one central cylinder. A horizontally aligned dryer unit, having at least one guide element, is arranged above the printing unit in a vertical direction. The at least one horizontally aligned dryer unit has at least two dryer sections with one dryer section being arranged separated from the next dryer section by at least one diverting assembly. The at least one flexographic printing press has at least one roll unwinder and at least one roll winder. The at least one roll unwinder and the at least one roll winder are arranged on opposite sides of the at least one central cylinder.

Apparatus and method of generating control parameter of screen printer

An apparatus, a recording medium, and a method for generating a control parameter of a screen printer are disclosed. The apparatus includes a memory that stores a simulation model configured to derive predictive inspection information on a printed state of solder paste based on a plurality of control parameters of the screen printer; a communication circuit configured to receive first inspection information on a plurality of solder pastes printed by the screen printer based on a first control parameter, and a processor electrically connected to the memory and the communication circuit. The processor obtains first predictive inspection information by applying the first control parameter to the simulation model, generates a plurality of candidate control parameters based on the first predictive inspection information, determines a plurality of second control parameters among the candidate control parameters, and transmits the plurality of second control parameters to the screen printer via the communication circuit.

PRINT CONTROL STRIP
20220219446 · 2022-07-14 · ·

A print control strip for printing onto a substrate, which moves in a printing direction X during a printing process, with a substrate width B, which extends perpendicularly to the printing direction X, wherein the print control strip extends at least over a portion of the substrate width B, wherein the print control strip has at least one row in the printing direction X, and wherein one or each row has a plurality of measuring fields arranged next to one another perpendicularly to the printing direction X, and wherein each measuring field has a center of area and a leading edge in the printing direction X. The center of area or the leading edge of at least one measuring field is arranged to be offset in or opposite to the printing direction X to the center of area or leading edge of an adjacent measuring field of the same row.

PRINT DEVICE, PRINT METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM STORING PRINT PROGRAM
20220314639 · 2022-10-06 ·

A print device prints prescribed information on a plurality of print media including at least one first medium and at least one second medium arranged subsequent to the at least one first medium on a long medium. The plurality of print media corresponds to a zone number that is smaller than a total number of the print media to be printed. The print device judges, for each of the at least one first medium, a print quality or a degree of the print quality. The judging the print quality or the degree of the print quality is based on a prescribed result obtained the print content of the at least one first medium on which the printing has been performed. The print device prints, on the at least one second medium, judgment result information indicating a result of the judging the print quality or the degree of the print quality.

IMAGING DEVICE, INSPECTION APPARATUS AND INSPECTION METHOD
20220244192 · 2022-08-04 ·

An imaging device configured to image a printed state of a target surface of a target object for inspection includes: a first light source; a diffuser including an inner periphery surface covered with a diffuse reflection material, and configured to diffusely reflect light emitted from the first light source and emit diffusely reflected light to the target surface; and a line sensor configured to receive light resulting from reflecting the diffusely reflected light from the target surface.