公开(公告)号：US20160176113A1

公开(公告)日：2016-06-23

申请号：US14578963

申请日：2014-12-22

Applicant: XEROX CORPORATION

Inventor： Patricia J. Donaldson

IPC: B29C67/00

CPC classification number: B29C67/0088 ,  B29C64/112 ,  B29C64/386 ,  B29C67/0059 ,  B29L2009/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y80/00

Abstract: A method of forming an image on a three-dimensional printed object includes operating first plurality of ejectors to form a first layer of a blocking material having an opacity level that prevents transmission of incident visible light to another layer in the three-dimensional printed object, operating a second plurality of ejectors to form a second layer of a primer material over the first layer, and operating a third plurality of ejectors to form a printed image from at least one marking agent over the primer material. The layers of blocking material and primer material reduce or eliminate hue shift in the image.

Abstract translation: 在三维印刷对象上形成图像的方法包括操作第一多个喷射器以形成阻挡材料的第一层，其具有防止将入射的可见光传输到三维打印物体中的另一层的不透明度水平， 操作第二多个喷射器以在所述第一层上形成底漆材料的第二层，以及操作第三多个喷射器以从所述底漆材料上的至少一个标记剂形成印刷图像。 阻挡材料和底漆材料的层减少或消除了图像中的色相偏移。

公开(公告)号：US20160167297A1

公开(公告)日：2016-06-16

申请号：US14569622

申请日：2014-12-12

Applicant: Xerox Corporation

Inventor： Patricia J. Donaldson

IPC: B29C67/00

CPC classification number: B33Y30/00 ,  B29C64/112 ,  B29C64/386 ,  B33Y10/00 ,  B33Y50/02

Abstract: A method of forming a three-dimensional printed object having a printed surface image includes ejecting drops of a build material to form the three-dimensional printed object from a plurality of layers of build material on a support member and applying a leveler to a surface of each layer of the build material. The method further includes ejecting drops of a marking agent on a surface of the three-dimensional printed object to form a printed image, ejecting drops of a transparent material over the printed image to form a layer of transparent material over the printed image, and applying the leveler to a surface of the layer of transparent material but not to the printed image.

Abstract translation: 一种形成具有印刷表面图像的三维印刷物体的方法包括从支撑构件上的多层构建材料喷射构建材料的液滴以形成三维印刷物体，并将矫直机施加到 每层建筑材料。 该方法还包括在三维打印物体的表面上喷射标记剂的液滴以形成印刷图像，在印刷图像上喷出透明材料的液滴，以在印刷图像上形成透明材料层，并施加 平整剂到透明材料层的表面而不是印刷图像。

公开(公告)号：US09358820B2

公开(公告)日：2016-06-07

申请号：US14817530

申请日：2015-08-04

Applicant: Xerox Corporation

Inventor： Patricia J. Donaldson ,  William H. Wayman

IPC: B41J29/393 ,  B41J2/045 ,  B41J2/21 ,  B29C67/00 ,  B41J2/125 ,  B41J2/14 ,  B33Y50/02 ,  B33Y30/00

CPC classification number: B41J2/04535 ,  B29C64/112 ,  B29C64/386 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y70/00 ,  B41J2/04585 ,  B41J2/125 ,  B41J2/14153 ,  B41J2/16579 ,  B41J2/21 ,  B41J2/2107 ,  B41J2/2114 ,  B41J2/2142 ,  B41J29/393 ,  B41J2029/3935

Abstract: An apparatus detects inoperative inkjets during printing. The apparatus operates the printhead or printheads in the printer to form test pattern on a thermal substrate. The heat of the materials used to form the test pattern change the optical density of the areas where the materials land. The area where the test pattern is formed is imaged and the image data are analyzed to identify inoperative inkjets.

公开(公告)号：US20150017271A1

公开(公告)日：2015-01-15

申请号：US13940383

申请日：2013-07-12

Applicant: Xerox Corporation

Inventor： Patricia J. Donaldson ,  Jeffrey J. Folkins

IPC: B29C67/00

CPC classification number: B29C67/0092 ,  B22F2003/1057 ,  B29C64/112 ,  B29C64/153 ,  B29C64/386 ,  B29C64/40 ,  B41J2/125 ,  B41J2/495 ,  B41J3/4073

Abstract: A printer forms a three-dimensional object on a rotating substrate. The printer includes a first driver to rotate the substrate past at least one printhead at a predetermined velocity and a controller to operate the printhead to eject material onto the substrate to form the object. A second driver is operated to move the position of the printhead perpendicular to the substrate to maintain a predetermined gap between the printhead and the layer of material most distant from the substrate. The second driver is further operable to move the position of the printhead parallel to the substrate to adjust a resolution of the ejected material. The controller interpolates an alternating signal generated from a position encoder to adjust the operation of the printhead based on the rotational position and velocity of the substrate.

Abstract translation: 打印机在旋转基板上形成三维物体。 打印机包括用于以预定速度旋转基板经过至少一个打印头的第一驱动器和控制器，以操作打印头将材料喷射到基板上以形成物体。 操作第二驱动器以将打印头的位置垂直于基板移动，以保持打印头和最远离基板的材料层之间的预定间隙。 第二驱动器还可操作以将打印头的位置平行于基板移动以调节排出的材料的分辨率。 控制器内插从位置编码器产生的交替信号，以基于基板的旋转位置和速度调节打印头的操作。

公开(公告)号：US11571859B2

公开(公告)日：2023-02-07

申请号：US16162929

申请日：2018-10-17

Applicant: Xerox Corporation

Inventor： Patricia J. Donaldson

IPC: B29C64/386 ,  B33Y80/00 ,  A61K9/20 ,  H04N1/405 ,  A61J3/07 ,  B29C64/112 ,  B29C64/393 ,  B29C64/40 ,  B33Y50/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  A61J3/10 ,  B29C64/165

Abstract: A method of forming a chemical delivery device with an active chemical includes generating halftoned image data using a stochastic halftone screen and with reference to a concentration parameter for the active chemical. The method also includes ejecting a chemical carrier including the active chemical into a portion of a plurality of cavities formed in the chemical delivery device based on the halftoned image data to produce the chemical delivery device with a concentration of the active chemical corresponding to the concentration parameter.

公开(公告)号：US10569524B2

公开(公告)日：2020-02-25

申请号：US15788235

申请日：2017-10-19

Applicant: Xerox Corporation

Inventor： Patricia J. Donaldson ,  Erwin Ruiz

IPC: B33Y30/00 ,  B33Y10/00 ,  B33Y50/02 ,  B29C64/112 ,  B29C64/386

Abstract: A method of forming a three-dimensional printed object having a printed surface image includes ejecting drops of a build material to form the three-dimensional printed object with a plurality of layers of build material and at least one layer of a transparent material. The method operates ejectors to form a printed image with a marking agent so the printed image can be viewed through the at least one transparent layer. A leveler is applied to a surface of the layer of transparent material but not to the printed image.

公开(公告)号：US10052823B2

公开(公告)日：2018-08-21

申请号：US14509827

申请日：2014-10-08

Applicant: Xerox Corporation

Inventor： Howard A. Mizes ,  Brian R. Conrow ,  Patricia J. Donaldson ,  Jeffrey J. Folkins ,  Paul A. Hosier ,  Robert J. Kleckner

IPC: B29C67/00 ,  B29C64/393 ,  B33Y10/00 ,  B33Y50/02 ,  G06F19/00 ,  B29L31/00 ,  B29K101/12

CPC classification number: B29C64/386 ,  B29C64/106 ,  B29C64/112 ,  B29C64/393 ,  B29K2101/12 ,  B29L2031/772 ,  B33Y10/00 ,  B33Y50/02

Abstract: A three-dimensional object printer ejects drops of a build material from a plurality of ejectors in a first printhead to form an object on a first region of a member and ejects drops of a support material from a plurality of ejectors in a second printhead to support the object on the first region of the member. The second printhead ejects drops of the support material onto a second region of the member that is separate from the first region to form a substrate layer. The first printhead ejects drops of the build material onto the substrate layer to form a printed test pattern. An image sensor generates image data of the printed test pattern to identify an inoperable ejector in the first printhead.

公开(公告)号：US20170305138A1

公开(公告)日：2017-10-26

申请号：US15646725

申请日：2017-07-11

Applicant: Xerox Corporation

Inventor： Patricia J. Donaldson ,  Jeffrey J. Folkins

IPC: B33Y30/00

CPC classification number: B29C64/106 ,  B29C64/00 ,  B29C64/112 ,  B29C64/209 ,  B29C64/227 ,  B33Y30/00

Abstract: A three-dimensional object printer is configured to enable the density of material ejected by at least one printhead onto a rotating platen near its circumferential edge to be approximately the same as the density of the material ejected onto the rotating platen near the center of the platen.

公开(公告)号：US09738032B2

公开(公告)日：2017-08-22

申请号：US14298047

申请日：2014-06-06

Applicant: Xerox Corporation

Inventor： Jeffrey J. Folkins ,  Patricia J. Donaldson

IPC: B41J2/045 ,  B29C67/00 ,  B33Y50/02

CPC classification number: B29C64/386 ,  B29C64/112 ,  B29C64/393 ,  B33Y50/02

Abstract: A controller in a printer operates one or more printheads in the printer with reference to a predetermined height of material above a surface of a member and a height of a top layer of material above the surface of the member. The height of the top layer is identified with reference to a first sensor that generates data corresponding to a height of a face of one of the printheads above the surface of the member and a second sensor that generates data corresponding to a distance between the face of one of the printheads and the top layer of material.

公开(公告)号：US09409389B1

公开(公告)日：2016-08-09

申请号：US14934302

申请日：2015-11-06

Applicant: Xerox Corporation

Inventor： Patricia J. Donaldson ,  Michael B. Monahan ,  Joseph L. Filion

IPC: B41J2/045

CPC classification number: B41J2/2135

Abstract: Devices and methods load a firing distance into a distance counter of a printing device. The firing distance is the distance from the current position of a printhead of the printing device to a marking location on a substrate. These devices and methods count the firing distance in discrete distance increments using the distance counter, based on relative movement of the substrate and printhead. When the distance counter reaches the last discrete distance increment of the firing distance, these devices and methods load the fractional remaining distance of the firing distance into a time counter of the printing device. Then, such devices and methods count the fractional remaining distance in velocity-based distance increments at regular time intervals using the time counter. When the time counter reaches the last velocity-based distance increment of the fractional remaining distance, these devices and methods transfer the marking material from the printhead to the substrate.

Abstract translation: 设备和方法将射击距离加载到打印设备的距离计数器中。 触发距离是从打印装置的打印头的当前位置到基板上的标记位置的距离。 这些装置和方法基于基板和打印头的相对运动，使用距离计数器以离散距离增量计数击发距离。 当距离计数器达到射击距离的最后离散距离增量时，这些装置和方法将击发距离的分数剩余距离加载到打印装置的时间计数器中​​。 然后，这种设备和方法使用时间计数器以规则的时间间隔计算基于速度的距离增量中的分数剩余距离。 当时间计数器达到分数剩余距离的最后一个基于速​​度的距离增量时，这些装置和方法将标记材料从打印头传送到基板。