Electronics for Imaging Patent Grants

Method and apparatus for variable gloss reduction

Granted: June 1, 2021
Patent Number: 11022906
Various variable gloss reduction techniques are disclosed. In one embodiment, a gloss reduction technique is disclosed using a textured roller and a wiper impregnated with fuser oil to create a differential gloss pattern that reduces the gloss of an image printed on a substrate. In one embodiment, a gloss reduction technique is disclosed using a combination of heat and pressure to create a differential gloss pattern that reduces the gloss in specific regions of an image printed on a…

Multi-layered textured printing

Granted: May 18, 2021
Patent Number: 11007791
The disclosure is related to printing an image as a multi-layered textured image on a substrate. The printing system prints one or more layers of a texture of the image as a base layer on the substrate and the image above the base layer. The base layer includes one or more layers of the texture. The printing system prints the texture using the ink from the print heads of the printing system. The process of printing a multi-layered textured image can include printing one or more layers of…

Replication alignment of components for use in inkjet printing applications

Granted: April 13, 2021
Patent Number: 10974528
Techniques for more accurately and efficiently replicating the alignment of one or more printer components with respect to another printer component are described herein. Replication may be achieved by using a fixture and a connection media to create a near exact replica of features of the fixture, or to temporarily hold multiple printer components in position while a joining layer of the connection media hardens. More specifically, a connection media, such as epoxy, can be used to fill…

High stability ink delivery systems, and associated print systems and methods

Granted: April 13, 2021
Patent Number: 10974517
Disclosed are high stability ink delivery system systems and methods for their use, in which a secondary reservoir is placed upstream of a printhead. The secondary reservoir can be opened to the atmosphere through a valve, such as based on the reading of a pressure sensor placed at a point before the printhead. The purpose of this valve is to open the secondary reservoir to the atmosphere when the pressure sensor indicates that the secondary reservoir can be open while avoiding air…

Modifying image data to compensate for defective printer nozzles

Granted: March 23, 2021
Patent Number: 10953665
The disclosed embodiments include a method to compensate for defective printer nozzles. The method can include detecting a defective printer nozzle and initiating a print job including image data of the defective printer nozzle for a pixel location of an image. The image is to be printed in accordance with a print mask that maps printer nozzles to pixel locations of the image. The method can include modifying the image to print the image data in a neighboring pixel location relative to…

Printer band edge hold down systems

Granted: March 2, 2021
Patent Number: 10933666
Edge hold down (EHD) systems are described herein that enable high print quality to be achieved more consistently, particularly when using substrates that are rigid or include one or more defects. Each EHD system includes a tensioned band for holding down an edge of a substrate as it passes through a printer assembly without impacting the print area. The tensioned band can be affixed between an entry tension assembly and an exit tension assembly disposed downstream of the entry tension…

Printing non-user patterns with a print job

Granted: February 23, 2021
Patent Number: 10929728
The systems and methods presented here completely separate a non-user pattern from the user jobs being printed. In fact, depending on the number of images in the job and the number of patterns provided by the manufacturer or press operator, the patterns may appear on different images of the job each time the job is printed. This is because the image marks are generated and processed according to the configuration of ROUS, independent of the user jobs being printed.

Method and composition for ink jet printing on a nonabsorbent substrate

Granted: February 23, 2021
Patent Number: 10926553
Ink jet printing on a non-absorbent substrate involves a wet primer having a primer viscosity. The wet primer is applied on the non-absorbent substrate. An ink jet ink having an ink jet viscosity lower than the primer viscosity is jetted over the wet primer while the primer is still wet. The wet primer and ink are simultaneously cured on the substrate.

Multi-color multi-speed printing apparatus with circulation

Granted: February 9, 2021
Patent Number: 10913285
Methods, systems, and devices related to a printer system that includes a first primary ink tank holding a dark-colored ink, a second primary ink tank holding a light-colored ink, a first selector valve configured to change a state, a first secondary ink tank connected to the first primary ink tank via the first selector valve, a second secondary ink tank connected to the first and second primary ink tanks via the first selector valve, a second selector valve connected to the first…

Printing systems and associated structures and methods having ink drop deflection compensation

Granted: February 9, 2021
Patent Number: 10913294
A printing system having a vacuum transfer belt conveyor includes a fixed or movable perforated platen that supports workpieces, e.g., substrates, boards or other parts, to be printed. The printing system is configured to apply vacuum action through apertures or perforations defined through the perforated platen. In an embodiment, the print system is configured to mitigate deflection of ink drops, through the implementation of both a passive system, which reduces air flow in the region…

Systems and methods for minimizing a total number of cuts to separate media instances imaged onto a media sheet

Granted: January 19, 2021
Patent Number: 10894332
A system and method utilizes strategies, priority rules, specifications, and comparisons to calculate the fewest number of cuts to separate individual instances from an imaged media sheet. Embodiments of the systems and methods may produce an optimal or more efficient arrangement of the media instances on an imaged media to minimize a total number of cuts to separate the instances, and thus reduce an overall cost.

UV dye sublimation decoration of complex-shaped objects

Granted: December 29, 2020
Patent Number: 10875342
Various of the disclosed embodiments concern printing systems configured to deposit flexible dye sublimation inks onto flexible transfer materials. Together, the flexible ink and transfer material allow images to be transferred onto complex-shaped, i.e. non-planar, surfaces of a substrate. The flexible ink may be, for example, a thermoformable UV dye sublimation ink or a superflexible UV dye sublimation ink. In order to transfer an image onto the substrate, the transfer material is…

Variable smoothing in printing

Granted: November 24, 2020
Patent Number: 10846574
Methods, apparatus and systems for printing an image using an array of nozzles are described. In one example aspect, a printer system includes an array of nozzles and a control device coupled to the array of nozzles. The control device is configured to determine a step size for printing a current section of an image based on a set of masks. The set of masks includes one or more masks used for printing previous sections of the image. The control device is also configured to adjust the set…

Inkjet process for three-dimensional relief on tiles

Granted: November 17, 2020
Patent Number: 10836195
A technique is described for the application of three-dimensional (3D) relief to a substrate such as a ceramic tile using digital inkjet technology. In an example embodiment, the introduced technique includes application of binder ink to a portion of the surface of a substrate using a digital inkjet process. This binder ink forms a barrier layer which protects the portion of the surface of the substrate. Next, a brushing process is applied to remove unprotected portions of the substrate,…

Process for generating images with realistic modifications

Granted: September 1, 2020
Patent Number: 10762679
A method for generating an output image with realistic individual text inserts via software loaded on a computer is provided. The method comprises the steps of providing a base image in a commercial graphical format with at least one position frame defined within the base image; the position frame defines an area within the base image where a text insert is insertable; providing software loaded on the computer which transforms a low resolution image into a high resolution image; defining…

Multilayer imaging with a high-gloss clear ink layer

Granted: August 25, 2020
Patent Number: 10752022
Various embodiments concern inkjet printing systems designed for multilayer imaging with a high-gloss clear ink layer. More specifically, the inkjet printing systems are designed so that clear, curable inks are provided additional time to level out before being cured. The settling process enables the inkjet printing systems to produce multilayer images having high gloss values. For example, a bracket could be attached to a curing assembly that prevents radiation from striking a certain…

Spot gloss and gloss control in an inkjet printing system

Granted: August 4, 2020
Patent Number: 10730318
Embodiments of the invention provide a technique that effects spot gloss or gloss control and/or variations on one image without requiring clear inks. This is preferably accomplished by use of a multilayer printing process in which an image is first printed using a first set of color print heads and then cured, and in which the image is again printed using a second set of color print head, but where the image remains uncured for a predetermined interval to allow the ink drops applied to…

Oxygen inhibition for print-head reliability

Granted: June 2, 2020
Patent Number: 10668742
Systems and methods of applying a gaseous inhibitor into a printing region to hinder the curing process of ink on the print heads caused by the presence of stray light in the printing environment.

Laser cutting of printed labels

Granted: March 24, 2020
Patent Number: 10599960
Apparatuses and embodiments related to compensated laser cutting of labels. A computer system receives an image of a label, and rasterizes the image. The computer system determines how much of each type of printer ink of a label printer to deposit at each pixel location of the image. The computer system determines which pixels intersect a cut line, and determines the characteristics of the ink of the pixels, such as the quantity or thickness of the ink at the pixel locations. The…

Method and apparatus for controlling lightness in colored inkjet inks by means of a transparent white ink composition

Granted: February 25, 2020
Patent Number: 10570303
A transparent white ink composition is formulated to brighten, lighten and or dilute full-tone primary inkjet colors: cyan; magenta; yellow and black, eliminating the need for ‘light ink’ primary color inks. The transparent white ink is jetted concurrently with reduced amounts of full-tone inks in lighter tonal areas conventionally supported by ‘light ink’ primary inks. Printing ‘light ink’ primary colors using a transparent white ink composition may reduce the number of…