公开(公告)号：US20210129446A1

公开(公告)日：2021-05-06

申请号：US17147687

申请日：2021-01-13

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Luis Garcia ,  Pol Fornos ,  David Ramirez Muela

IPC: B29C64/393 ,  B33Y10/00 ,  B29C64/165 ,  B33Y30/00 ,  B33Y50/02

Abstract: There is disclosed additive manufacturing apparatus comprising: a controller to: receive object data relating to an object to be generated; and define print data for additive manufacture of the object by ejection of a print agent on build material in a pattern corresponding to selective fusing of the build material, wherein the print data is defined based on the object data so that the pattern defines a shield feature embedded within the object to inhibit fusing of build material corresponding to the shield feature relative build material corresponding to an adjacent portion of the object; and a print agent distributor to eject a print agent on build material based on the print data.

公开(公告)号：US09710737B2

公开(公告)日：2017-07-18

申请号：US15101348

申请日：2013-12-05

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Alex Andrea Tallada ,  Luis Garcia

IPC: G06K15/02 ,  G06F3/12 ,  G06K15/10 ,  B41J11/00 ,  H04N1/60

CPC classification number: G06K15/188 ,  B41J11/0015 ,  G06F3/1208 ,  G06F3/1244 ,  G06F3/1288 ,  G06K15/102 ,  G06K15/1868 ,  G06K2215/0082 ,  H04N1/605 ,  H04N2201/0094

Abstract: In one example of the disclosure, a first area of an image to be printed at a first gloss level is identified. A second area of the image to be printed at a lesser second gloss level is identified. Printing of the image is caused in a gloss-varying printmode that applies a pretreatment fluid to a media where the second area is to be printed, and not where the first area is to be printed, and applies a colorant or colorants to the media where the first and second areas are to be printed.

公开(公告)号：US20160344895A1

公开(公告)日：2016-11-24

申请号：US15028891

申请日：2013-10-15

Applicant: Sergio PUIGARDEU ARAMENDIA ,  Angel MARTINEZ BARAMBIO ,  Luis GARCIA GARCIA ,  M.Isabel BORRELL BAYONA ,  HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Sergio Puigardeu Aramendia ,  Angel Martinez Barambio ,  Luis Garcia ,  M.Isabel Borrell Bayona

IPC: H04N1/405

CPC classification number: H04N1/4052 ,  G06K15/1876 ,  G06K15/1881

Abstract: Image processing transforms input multi-level image data into output image data having a smaller number of levels (the input and output image data represents images formed of cells). The image processing distributes quantization error of a target cell of the image to neighbour cells in proportions determined by a set of weights. The distribution excludes neighbour cells whose data level is less than a threshold value from receiving distributed quantization error, or allows just a fraction of the quantization error to be distributed to such neighbour cells.

Abstract translation: 图像处理将输入的多级图像数据变换为具有较小级数的输出图像数据（输入和输出图像数据表示由单元形成的图像）​​。 图像处理以由一组权重确定的比例将图像的目标小区的量化误差分配给相邻小区。 该分布从接收分布式量化误差中排除其数据级别小于阈值的相邻小区，或者允许将仅一部分量化误差分配给这样的相邻小区。

公开(公告)号：US11565478B2

公开(公告)日：2023-01-31

申请号：US17147687

申请日：2021-01-13

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Luis Garcia ,  Pol Fornos ,  David Ramirez Muela

IPC: B29C64/165 ,  B29C64/393 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: There is disclosed additive manufacturing apparatus comprising: a controller to: receive object data relating to an object to be generated; and define print data for additive manufacture of the object by ejection of a print agent on build material in a pattern corresponding to selective fusing of the build material, wherein the print data is defined based on the object data so that the pattern defines a shield feature embedded within the object to inhibit fusing of build material corresponding to the shield feature relative build material corresponding to an adjacent portion of the object; and a print agent distributor to eject a print agent on build material based on the print data.

公开(公告)号：US11182517B2

公开(公告)日：2021-11-23

申请号：US16080969

申请日：2016-03-18

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Miguel Angel Lopez ,  Salvador Sanchez Ribes ,  Luis Garcia

IPC: G06F30/20 ,  B29C64/386 ,  B29C64/135 ,  B33Y50/00 ,  G06F30/17 ,  B29C64/393 ,  G06F119/18 ,  B22F10/30 ,  B33Y50/02 ,  G06F30/00 ,  G06F119/08 ,  B22F10/20

Abstract: In an example, a method includes analysing, using at least one processor, object model data representing at least a portion of an object to be generated by an additive manufacturing apparatus by fusing a build material to determine at least one predicted object generation temperature. The method may further include identifying, using at least one processor and from said analysing, a feature of the at least a portion of the object associated with a predicted object generation temperature which is below a fusing temperature of build material to be used in object generation. The method may further include determining, using at least one processor, modification data to be used in object generation, the modification data being to increase a temperature of the feature in object generation.

公开(公告)号：US10919228B2

公开(公告)日：2021-02-16

申请号：US16064584

申请日：2016-04-04

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. ,  Luis Garcia ,  Pol Fornos ,  David Ramirez Muela

Inventor： Luis Garcia ,  Pol Fornos ,  David Ramirez Muela

IPC: B33Y10/00 ,  B29C64/30 ,  B29C64/393 ,  B29C64/165 ,  B33Y30/00 ,  B33Y50/02

Abstract: There is disclosed additive manufacturing apparatus comprising: a controller (110) to: receive object data relating to an object to be generated; and define print data for additive manufacture of the object by ejection of a print agent on build material in a pattern corresponding to selective fusing of the build material, wherein the print data is defined based on the object data so that the pattern defines a shield feature (56) embedded within the object to inhibit fusing of build material corresponding to the shield feature relative build material corresponding to an adjacent portion of the object; and a print agent distributor (104) to eject a print agent on build material based on the print data.

公开(公告)号：US10539951B2

公开(公告)日：2020-01-21

申请号：US15761049

申请日：2015-12-22

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Luis Garcia ,  Miguel Angel Lopez ,  David Ramirez Muela

IPC: G05B19/4099 ,  B33Y50/02 ,  B33Y80/00 ,  B29C64/357 ,  B29C64/393 ,  B33Y70/00 ,  B29L31/00

Abstract: There is provided a method of generating print data for use by an additive manufacturing system to generate a plurality of 3D objects within a build chamber having a build surface. First spatial data defining a first 3D object and second spatial data defining a second 3D object is received. First print data is generated to cause the additive manufacturing system to manufacture the first 3D object at least partly from a first build material. Intermediate print data is generated to cause the additive manufacturing system to manufacture a partition comprising a 3D object configured to fill the build chamber in a plane parallel to the build surface. Second print data is generated to cause the additive manufacturing system to manufacture the second 3D object at least partly from a second build material.

公开(公告)号：US20160342866A1

公开(公告)日：2016-11-24

申请号：US15101348

申请日：2013-12-05

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Alex Andrea Tallada ,  Luis Garcia

IPC: G06K15/02 ,  B41J11/00 ,  H04N1/60

CPC classification number: G06K15/188 ,  B41J11/0015 ,  G06F3/1208 ,  G06F3/1244 ,  G06F3/1288 ,  G06K15/102 ,  G06K15/1868 ,  G06K2215/0082 ,  H04N1/605 ,  H04N2201/0094

Abstract: In one example of the disclosure, a first area of an image to be printed at a first gloss level is identified. A second area of the image to be printed at a lesser second gloss level is identified. Printing of the image is caused in a gloss-varying printmode that applies a pretreatment fluid to a media where the second area is to be printed, and not where the first area is to be printed, and applies a colorant or colorants to the media where the first and second areas are to be printed.

Abstract translation: 在本公开的一个示例中，识别要以第一光泽度级别打印的图像的第一区域。 识别要以较小的第二光泽水平印刷的图像的第二区域。 图像的打印是以光泽变化的打印模式引起的，该打印模式将预处理流体施加到要打印第二区域的介质，而不是第一区域要被打印的介质上，并且将着色剂或着色剂施加到介质上 第一和第二个区域将被打印。

公开(公告)号：US10536610B2

公开(公告)日：2020-01-14

申请号：US15748558

申请日：2015-10-30

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Luis Garcia ,  Alex Andrea

IPC: H04N1/403 ,  H04N1/409

Abstract: A method is described in which a printed image which has been printed by a printer based on a printing template is repaired. A damaged area of the printed image is identified and a reprinting segment on the printed image is determined such as to overlap the identified damaged area. With the printer a layer of printing fluid is printed over the damaged image and a correction printing template is printed. The correction printing template includes a segment of the printing template that corresponds to the reprinting segment of the printed image.

公开(公告)号：US20190030821A1

公开(公告)日：2019-01-31

申请号：US16064584

申请日：2016-04-04

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Luis Garcia ,  Pol Fornos ,  David Ramirez Muela

IPC: B29C64/393 ,  B29C64/165 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: There is disclosed additive manufacturing apparatus comprising: a controller (110) to: receive object data relating to an object to be generated; and define print data for additive manufacture of the object by ejection of a print agent on build material in a pattern corresponding to selective fusing of the build material, wherein the print data is defined based on the object data so that the pattern defines a shield feature (56) embedded within the object to inhibit fusing of build material corresponding to the shield feature relative build material corresponding to an adjacent portion of the object; and a print agent distributor (104) to eject a print agent on build material based on the print data.