公开(公告)号：US20240383208A1

公开(公告)日：2024-11-21

申请号：US18693897

申请日：2021-09-21

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

Inventor： Krzysztof NAUKA ,  Michelle NIU

IPC: B29C64/393 ,  B22F10/14 ,  B22F10/37 ,  B22F12/60 ,  B28B1/00 ,  B28B17/00 ,  B29C64/165 ,  B29C64/194 ,  B29C64/214 ,  B29C64/218 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: In one example in accordance with the present disclosure, an additive manufacturing system is described. The additive manufacturing system includes a bed moveable in a vertical direction. The bed is to receive a build material that is to form a three-dimensional (3D) printed object. The additive manufacturing system also includes a build material depositor to deposit the build material on the bed and a build material spreader to traverse across the bed to spread the build material. The additive manufacturing system also includes a solidification system to selectively solidify a layer of build material. The additive manufacturing system also includes a controller. The controller is to lower the bed by a first amount in preparation for receiving build material and iteratively raise the bed in increments in between passes of the build material spreader across the bed, wherein an increment is a portion of the first amount.

公开(公告)号：US12147541B2

公开(公告)日：2024-11-19

申请号：US18000327

申请日：2020-06-08

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

Inventor： Kang-Ning Feng ,  Tsue-Yi Huang ,  Chin-Hung Chao

IPC: G06F21/57 ,  G06F12/0875 ,  G06F21/54 ,  G06F21/64

Abstract: Techniques for secure boot up of unified extensible firmware interface (UEFI) compliant devices are described. In an example, execution of a driver associated with a hardware component of a computing device may be detected during booting of the computing device. Based on the detection, a first driver hash of a system table of the UEFI may be computed, where the system table is a data structure that stores configuration details of the computing device and UEFI services. Thereafter, a second driver hash of the system table may be computed based on detection of completion of the execution of the driver. The first driver hash and the second driver hash may then be compared to determine tampering with the system table of the UEFI.

公开(公告)号：US12146066B2

公开(公告)日：2024-11-19

申请号：US17297073

申请日：2019-08-09

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

Inventor： Emre Hiro Discekici ,  Shannon Reuben Woodruff ,  Alay Yemane

IPC: B33Y10/00 ,  B29B7/90 ,  B29C64/165 ,  B29C64/314 ,  B33Y30/00 ,  B33Y40/10 ,  B33Y70/10 ,  C09D11/037 ,  C09D11/102 ,  C09D11/322 ,  C09D11/34 ,  B29K467/00 ,  B29K505/00

Abstract: This disclosure describes three-dimensional printing kits, methods, and systems for three-dimensional printing with directionally-dependent reflective particles. In one example, a three-dimensional printing kit can include a powder bed material and a fusing agent to selectively apply to the powder bed material. The powder bed material can include polymer particles and directionally-dependent reflective particles. The directionally-dependent reflective particles can be chemically and thermally stable at a melting point temperature of the polymer particles. The fusing agent can include water and a radiation absorber to absorb radiation energy and convert the radiation energy to heat.

公开(公告)号：US20240378102A1

公开(公告)日：2024-11-14

申请号：US18316653

申请日：2023-05-12

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

Inventor： Kathleen E. Lenz ,  Jeanette M Calvert Coffren ,  Michael A. Miller ,  Jean-Claude Sessou

IPC: G06F11/07 ,  G06F11/30 ,  G06F13/42

Abstract: The disclosed technology is directed to a computing device for triggering an alert to a user about an occurrence of overcurrent at a first USB port of the computing device. In some examples, the computing device includes a USB interface circuit, a system processor and a host controller. Responsive to detecting the occurrence of overcurrent at the first USB port, the USB interface circuit transmits an alert signal to the system processor through a control bus without communicating directly with the host controller. The system processor determines the alert signal indicates the occurrence of overcurrent at the first USB port and sets an overcurrent register at the host controller to a first value to indicate the occurrence of overcurrent at the first USB port. The host controller triggers the alert to the user responsive to the overcurrent register being set to the first value.

公开(公告)号：US20240377774A1

公开(公告)日：2024-11-14

申请号：US18691781

申请日：2022-03-17

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

Inventor： Jeongchul SONG ,  Choongkyu PARK ,  Younghoon HAN

IPC: G03G15/20 ,  G03G15/00

Abstract: A fuser includes a heating member, a fusing belt including an inner circumferential surface, the fusing belt to be heated by the heating member by having the inner circumferential surface of the fusing belt in contact with the heating member, a first temperature sensor to sense a first temperature of an outer circumferential surface of the fusing belt, and a second temperature sensor to sense a second temperature of the heating member.

公开(公告)号：US12138937B2

公开(公告)日：2024-11-12

申请号：US17928276

申请日：2020-05-29

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

Inventor： Daniel D Dowell ,  Ronald Ender ,  Seth Haddix ,  Jon A Crabtree ,  Jeffrey F Bell

IPC: B41J2/175 ,  B41J2/14 ,  B41J2/18 ,  B41J2/19

Abstract: An example printing fluid pen comprises a plurality of fluid ports, including an inlet port to direct fluid from a fluid reservoir to a fluid ejection device, and a recirculation port to direct fluid from the fluid ejection device out of the inkjet pen. The example pen also includes a plurality of parallel fluid pressure regulators fluidly coupled with the inlet port, each of the plurality of parallel fluid pressure regulators to receive fluid from the inlet fluid port.

公开(公告)号：US20240367384A1

公开(公告)日：2024-11-07

申请号：US18686070

申请日：2021-08-23

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

Inventor： Krzysztof NAUKA

IPC: B29C64/393 ,  B22F10/14 ,  B22F10/36 ,  B22F12/90 ,  B28B1/00 ,  B28B17/00 ,  B29C64/165 ,  B29C64/209 ,  B29C64/295 ,  B29K21/00 ,  B29K71/00 ,  B29K77/00 ,  B29K105/08 ,  B29K307/04 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: In one example in accordance with the present disclosure, an additive manufacturing system is described. The additive manufacturing system includes an agent distribution device to selectively deposit an agent onto a layer of build material to form a layer of a three-dimensional (3D) object. The additive manufacturing system also includes a carriage to transport the agent distribution device across the layer of build material. The additive manufacturing system also includes an array of build material thermal sensors disposed on the carriage and facing the layer of build material. Each build material thermal sensor is to measure a temperature of the layer of build material in a particular region. A controller adjusts additive manufacturing based on an output of an associated build material thermal sensor.

公开(公告)号：US12136177B2

公开(公告)日：2024-11-05

申请号：US17970849

申请日：2022-10-21

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

Inventor： Jon Danielson ,  Adolfo Adolfo Gomez ,  Mark Lessman

IPC: G06T19/00 ,  G06F3/01 ,  G06T7/246 ,  G06T7/73 ,  G06V20/20

Abstract: In an example in accordance with the present disclosure, an extended reality system is described. The extended reality system includes an imaging system to present virtual objects to a user. The extended reality system also includes a machine vision tracking system. The machine vision tracking system includes a camera to capture images of a user's hand a tool grasped in the user's hand. The machine vision tracking system also includes a processor. The processor 1) tracks a position and orientation of the user's hand in physical space, 2) identifies the tool grasped in the user's hand, and 3) tracks a position and orientation of the tool in physical space. The extended reality system also includes an XR controller to manipulate the XR environment based on the position and orientation of the tool and the position and orientation of the hand.

公开(公告)号：US12135521B2

公开(公告)日：2024-11-05

申请号：US18014739

申请日：2020-11-05

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

Inventor： Jeonghyun Lee ,  Jongin Kim ,  Janghyun Son

IPC: G03G15/08 ,  G03G21/16

Abstract: A toner cartridge includes a housing having a first combining portion and a front cover attached to a front end of the housing in a longitudinal direction, wherein the front cover includes a first locking portion to which the first combining portion is to be attached and a notch portion provided in the first locking portion so that the first locking portion is breakable by an external force in a direction in which the front cover is spaced apart from the housing in the longitudinal direction.

公开(公告)号：US20240362542A1

公开(公告)日：2024-10-31

申请号：US18683948

申请日：2021-09-14

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

Inventor： Abhishek Ghosh ,  Manohar Lal Kalwani

IPC: G06N20/00

CPC classification number: G06N20/00

Abstract: In an example, a non-transitory machine-readable storage medium storing instructions executable by a processor of a computing device to receive device usage data of an electronic device. Further, instructions may be executed by the processor to receive sensor data indicative of an internal state of the electronic device. The sensor data may include first data associated with a first characteristic of the internal state and second data associated with a second characteristic of the internal state. Furthermore, instructions may be executed by the processor to determine a deviation associated with a component of the electronic device by applying a machine learning model to the device usage data and the sensor data. The deviation may be associated with the first characteristic, the second characteristic, or both. Further, instructions may be executed by the processor to generate an alert notification based on the deviation.