公开(公告)号：US11135775B2

公开(公告)日：2021-10-05

申请号：US16076363

申请日：2017-01-31

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

Inventor： Ning Ge ,  Steven J. Simske ,  Jun Zeng

IPC: B29C64/35 ,  B33Y30/00 ,  B33Y40/00 ,  B29C64/165 ,  B41J2/165

Abstract: According to an example, an apparatus may include a printhead to deliver a printing liquid from firing chambers through a plurality of bores arranged along a surface of the printhead. The apparatus may also include a cleaning system to apply a pressurized cleaning fluid onto the surface of the printhead while preventing application of the pressurized cleaning fluid into the firing chambers through the plurality of bores.

公开(公告)号：US20210247735A1

公开(公告)日：2021-08-12

申请号：US17056191

申请日：2018-10-29

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

Inventor： He Luan ,  Jun Zeng

IPC: G05B19/4099 ,  G06N3/08 ,  G06T3/40 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/393

Abstract: Examples of methods for thermal mapping by an electronic device are described herein. In some examples, a map is obtained. In some examples, a first thermal image at a first resolution is obtained. In some examples, a neural network is used to determine a second thermal image at a second resolution based on the map and the first thermal image. The second resolution is greater than the first resolution in some examples.

公开(公告)号：US11043042B2

公开(公告)日：2021-06-22

申请号：US16072277

申请日：2016-05-16

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

Inventor： Ana Patricia Del Angel ,  Jun Zeng ,  Sebastia Cortes i Herms ,  Scott White

IPC: G06T19/20 ,  G06T19/00 ,  G06T17/10

Abstract: According to an example, a processing device may slice a 3D model along a first direction to generate a plurality of layers in parallel planes defined across a second direction and a third direction, in which each of the plurality of layers is composed of respective polygons representing portions of the 3D model. The plurality of layers may be partitioned into a plurality of stacked boxes containing the respective polygons and for each stacked box of the plurality of stacked boxes, the polygons in the stacked box may be assembled into a superset polygon and the superset polygon may be partitioned into bounding shapes. A shape profile of the 3D object may be generated using the bounding shapes.

公开(公告)号：US20210150343A1

公开(公告)日：2021-05-20

申请号：US17047303

申请日：2018-08-10

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

Inventor： HE LUAN ,  Jun Zeng

IPC: G06N3/08 ,  G06N3/04 ,  B33Y50/02

Abstract: A system includes a machine readable storage medium storing instructions and a processor. The processor is to execute instructions to receive contone agent maps of a three-dimensional (3D) part and sensed thermal maps from the 3D printing of the 3D part on a 3D printer. The processor is to execute instructions to generate layer sequences including the contone agent maps and the sensed thermal map for each layer of the 3D part. The processor is to execute instructions to select training samples from the layer sequences having temperature intensity variations within each layer or between neighboring layers. The processor is to execute instructions to train a neural network using the training samples to generate a model to predict thermal behavior in the 3D printer.

公开(公告)号：US20210039320A1

公开(公告)日：2021-02-11

申请号：US16978281

申请日：2018-04-27

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

Inventor： David Tucker ,  Nicholas Saunders ,  Jun Zeng

IPC: B29C64/386 ,  B33Y50/00 ,  G06F30/12 ,  G05B19/4099

Abstract: A parts packing method is used to optimize build bed part placement for additive manufacturing. The method includes a user interface to parts packing software, enabling a process engineer to select parts from a pool of parts, group parts to have uniform orientation, and specify a range of angles and rotation of the parts. Additionally, the user interface accepts input related to process variations among different printers as well as drift over time of a single printer. The user interface feeds the data into the parts packing program to optimize build bed part placement.

公开(公告)号：US20210031454A1

公开(公告)日：2021-02-04

申请号：US16978241

申请日：2018-04-26

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

Inventor： Sunil Kothari ,  Jun Zeng ,  Cary J. Dispoto ,  Viseth Sean

IPC: B29C64/386 ,  G06F3/12 ,  B33Y50/00 ,  H04N1/00 ,  G06N20/00

Abstract: A system and method for providing three dimensional printing production quality prediction is described herein. The system may include logic to scan a region of interest associated with a layer of a plurality of parts during printing to obtain an input for the region of interest and compute an input metric associated with the layer based on the input. In response to an initial set of print jobs, at least a portion of the plurality of parts is mechanically tested to determine at least one output. In response to a production print job, a likelihood of a part of the plurality of parts to satisfy a quality specification is predicted by inputting the input metric to at least one machine learning function comprising the at least one output, wherein the at least one machine learning function is trained during the initial set of print jobs.

公开(公告)号：US10896264B2

公开(公告)日：2021-01-19

申请号：US15764318

申请日：2015-11-05

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

Inventor： Patrick O Sandfort ,  Holt Mebane ,  Jun Zeng

IPC: G06F21/62 ,  G06F16/2458 ,  H04L29/12 ,  H04W12/00 ,  G06F11/30 ,  G06F21/60

Abstract: In one implementation, a resource system includes an authorization engine, an interface engine and an analysis engine. In that example, the authorization engine authorizes an analysis request, the interface engine assigns a data property to the analysis request, and the analysis engine selects a synthesis routine based on the analysis request, identifies data stored in a resource group based on the synthesis routine, and causes the synthesis routine to perform using raw data in the resource group based on the data property in response to a determination that the analysis request is authorized to access the resource group.

公开(公告)号：US20200257268A1

公开(公告)日：2020-08-13

申请号：US16862967

申请日：2020-04-30

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

Inventor： Jun Zeng ,  Sebastia Cortes ,  Scott A. White

IPC: G05B19/4099 ,  G06F30/20 ,  B33Y50/00 ,  G06T17/00 ,  G06T19/20 ,  G06T15/08

Abstract: An example technique for creating a voxel representation of a three dimensional (3-D) object can include obtaining a shape specification of a 3-D object and a number of 3-D objectives. The example technique for creating a voxel representation of the 3-D object can also include creating a voxel representation of the 3-D object by assigning a material type from a number of material types to each voxel of the voxel representation that defines the 3-D object. The example technique creating a voxel representation of a 3-D object can also include evaluating the voxel representation to determine whether the number of objectives are met.

公开(公告)号：US20200223145A1

公开(公告)日：2020-07-16

申请号：US16615612

申请日：2017-07-26

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

Inventor： Marcelo Riss ,  Jamie Machado Neto ,  Victor Praxedes ,  Ana Patricia Del Angel ,  Adriana Fontenele ,  Thiago Moura ,  Jun Zeng ,  Scott White ,  Sebastia Cortes I Herms

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

Abstract: An image processing system acquires a first three-dimensional model of an object. The image processing system includes a processor and storage medium encoded with instructions executable by the processor. The instructions include instructions to define a material potential function for a material. The material potential function is a function of a three-dimensional origin point of the material in the object, a three-dimensional propagation limit of the material in the object, and a three-dimensional propagation function of the material in the object. The instructions include instructions to generate a second three-dimensional model of the object based in part on the material potential function and the first model. The second model illustrates propagation of the material through an interior volume of the object at a unit level. A controller generates control signals based on the second model, and a fluid ejection engine performs an additive manufacturing process based on the control signals.

公开(公告)号：US20200164584A1

公开(公告)日：2020-05-28

申请号：US16612945

申请日：2017-08-01

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

Inventor： Marcelo Aita Riss ,  Thiago B. Lima de Moura ,  Alyne Gomes Soares Cantal ,  Ana Patricia Del Angel ,  Jun Zeng ,  Scott White ,  Sebastia Cortes i Herms

IPC: B29C64/393

Abstract: A method of manufacturing an object via three-dimensional printing is disclosed. Data regarding the object is received. The object is three-dimensionally printed from the data. A wrapper is also three-dimensionally printed from the data. The wrapper encloses the object and includes information regarding the object.