公开(公告)号：US20240275889A1

公开(公告)日：2024-08-15

申请号：US18569440

申请日：2021-12-02

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

Inventor： Jihyo KIM ,  Heesang KWON

IPC: H04N1/00

CPC classification number: H04N1/00034 ,  H04N1/00037

Abstract: An example image forming apparatus that detects an error of an image formed on a printing medium, the apparatus includes a print engine, an inline scanner located at an output end of the print engine, and a processor. The processor is to obtain information of print data of a received print job, form an image on a printing medium based on the print data by using the print engine, obtain information of a print image of the printing medium on which the image is formed by using the inline scanner, detect whether normal output is performed by comparing the information of the print data with the information of the print image, and, in a case where the normal output is not detected, detect an output error and perform re-output.

公开(公告)号：US20240262101A1

公开(公告)日：2024-08-08

申请号：US18616150

申请日：2024-03-25

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

Inventor： Scott A. Linn ,  James Michael Gardner

IPC: B41J2/045

CPC classification number: B41J2/04546 ,  B41J2/04521 ,  B41J2/04551 ,  B41J2/04563

Abstract: An integrated circuit to drive a plurality of fluid actuation devices includes an interface, a digital circuit, an analog circuit, and control logic. The digital circuit outputs a digital signal to the interface. The analog circuit outputs an analog signal to the interface. The control logic activates the digital circuit or the analog circuit.

公开(公告)号：US20240259525A1

公开(公告)日：2024-08-01

申请号：US18560753

申请日：2021-06-08

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

Inventor： PETER SIYUAN ZHANG ,  PEI HSUAN LI ,  HSIN CHIN LIN

IPC: H04N7/15 ,  G06T7/70 ,  G06V10/74

CPC classification number: H04N7/15 ,  G06T7/70 ,  G06V10/761 ,  G06T2207/20081 ,  G06T2207/30201 ,  G06V2201/07

Abstract: An example system includes a first image sensor, a second image sensor, and an electronic device. The electronic device includes a controller that is to compare positions of a human face and a non-human object in a first set of images captured by the first image sensor. In addition, the controller is to select a presentation arrangement of the first set of images and a second set of images captured by the second image sensor based on the comparison. Further, the controller is to output the first set of images and the second set of images to a video conferencing application in the selected presentation arrangement.

公开(公告)号：US20240255870A1

公开(公告)日：2024-08-01

申请号：US18631655

申请日：2024-04-10

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

Inventor： Sun Ae Park ,  Bong Hee Lee ,  Jung Jae Lee

IPC: G03G15/20

CPC classification number: G03G15/2017 ,  G03G15/2053

Abstract: A device to prevent fire of a fusing belt having a heater positioned inside includes at least one temperature control member adjacent to one side of the fusing belt and, when the at least one temperature control member detects abnormal heat from the fusing belt based on a temperature of the fusing belt, the at least one temperature control member to cut off a supply of electricity to the heater to prevent the fire. The device also includes a heat absorption member adjacent to the other side of the fusing belt and to absorb latent heat from the fusing belt to lower the temperature of the fusing belt to prevent the fire.

公开(公告)号：US20240253303A1

公开(公告)日：2024-08-01

申请号：US18290081

申请日：2021-06-03

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

Inventor： Karsten N. Wilson ,  Emre Hiro Discekici ,  Vladek Kasperchik ,  Timothy L. Weber ,  Mark Kowalski ,  Sterling Chaffins ,  Devin Alexander Mourey

IPC: B29C64/165 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/00

CPC classification number: B29C64/165 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/00

Abstract: A method of three-dimensional printing can include iteratively applying a polymer build material as individual layers to a powder bed, where the polymer build material includes from about 80 wt % to 100 wt % polymeric particles, and based on a three-dimensional object model, selectively applying a coalescing agent onto individual layers of the polymer build material. The coalescing agent can include an aqueous liquid vehicle and a coalescing solvent that depresses a melting point of the polymeric particles. The method can include exposing the powder bed to heat to selectively coalesce portions of individual layers of the polymer build material in contact with the coalescing solvent. The heat may not be sufficient to coalesce the polymer build material that is not in contact with the coalescing solvent and may be sufficient to fuse the polymeric particles in contact with the coalescing solvent together to form a three-dimensional object.

公开(公告)号：US20240253296A1

公开(公告)日：2024-08-01

申请号：US18559987

申请日：2021-05-11

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. ,  NANYANG TECHNOLOGICAL UNIVERSITY

Inventor： Wei Long NG ,  Xi HUANG ,  Viktor SHKOLNIKOV ,  Roberto A. PUGLIESE ,  Mackenzie JOHNSON ,  Wai Yee YEONG

IPC: B29C64/112 ,  B29C64/209 ,  B29C64/245 ,  B29C64/255 ,  B29K101/00 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/10 ,  C12N5/00

CPC classification number: B29C64/112 ,  B29C64/209 ,  B29C64/245 ,  B29C64/255 ,  B33Y10/00 ,  B33Y30/00 ,  C12N5/0062 ,  B29K2101/00 ,  B33Y70/10 ,  C12N2513/00 ,  C12N2533/30

Abstract: The present disclosure is drawn to bio-ink printer components, methods of printing bio-inks, and multi-fluid live cell printing systems. In one example, a bio-ink printer component can include a bio-ink and a bio-ink ejector fluidly connected or connectable to the bio-ink. The bio-ink can include a buffer solution that is suitable for live cells, and a polymer that includes polyvinylpyrrolidone, polyvinyl alcohol, polyvinyl sulfate, polyethylene glycol, polyester, poly(dimethylsiloxane), cellulose, polysaccharide, or a combination thereof. The bio-ink ejector can include an ejection nozzle and a thermal resistor positioned to heat the bio-ink to form a vapor bubble to eject a droplet of bio-ink from the ejection nozzle.

公开(公告)号：US12049045B2

公开(公告)日：2024-07-30

申请号：US18086997

申请日：2022-12-22

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

Inventor： Xavier Vilajosana ,  Sebastia Cortes i Herms ,  David Ramirez Muela ,  Pablo Dominguez Pastor ,  Alejandro Manuel de Pena

IPC: B29C64/393 ,  B29C64/153 ,  B29C64/165 ,  B29C64/188 ,  B29C64/20 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/00 ,  B33Y50/02

CPC classification number: B29C64/393 ,  B29C64/153 ,  B29C64/165 ,  B29C64/188 ,  B29C64/20 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y50/00

Abstract: Examples include apparatuses, processes, and methods for generating three-dimensional objects. An example apparatus comprises build material distributor and a controller. Examples distribute a particular build layer in a build area of the apparatus over a previous build layer. Examples determine a build layer temperature corresponding to the particular build layer. Examples analyze build layer coverage for the particular build layer based at least in part on a build layer temperature of the previous build layer and the build layer temperature of the particular build layer. Examples selectively recoat the particular build layer with additional build material based at least in part on the build layer coverage for the particular build layer.

公开(公告)号：US20240248857A1

公开(公告)日：2024-07-25

申请号：US18564417

申请日：2021-06-30

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

Inventor： Peter Andrew Seiler ,  Byron A. Alcorn ,  Clifton Robin ,  John Michael Stahl ,  Patrick S. Anderson ,  Eric John Gressman ,  Douglas Allen Reynolds ,  Joseph-Jonathan Salzano ,  Gregory Mark Hughes

IPC: G06F13/10

CPC classification number: G06F13/10 ,  G06F2213/40

Abstract: In some examples, an electronic device includes a network interface to connect to a computer network, a display port operating as a display input, an input/output port, memory having a plurality of profiles, and a processor coupled to the memory. In some examples, the processor is to change an operation of the input/output port based on a profile of the plurality of profiles. In some examples, the processor is to change the display port from the display input to a display output based on the profile of the plurality of profiles.

公开(公告)号：US20240246146A1

公开(公告)日：2024-07-25

申请号：US18289351

申请日：2021-05-10

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

Inventor： Ian Pahk ,  Vladek Kasperchik ,  Thomas M. Sabo ,  Cory J. Ruud ,  Tienteh Chen

IPC: B22F10/14 ,  B22F3/24 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/10

CPC classification number: B22F10/14 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y70/10 ,  B22F2003/248

Abstract: A three-dimensional printing kit, as presented herein, can include a particulate build material and a binder agent. The particulate build material can include from about 80 wt % to 100 wt % metal particles based on the total weight of the particulate build material. The binder agent can include an aqueous liquid vehicle, an acrylic polymer or copolymer latex dispersion, a sulfonated small-molecule dispersed pigment, and a solubilized dihydrazide. A sulfonated small-molecule of the sulfonated small-molecule dispersed pigment can be from about 100 g/mol to about 2000 g/mol. The binder agent can exclude a polymeric dispersant.

公开(公告)号：US12047639B2

公开(公告)日：2024-07-23

申请号：US17770067

申请日：2019-10-31

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

Inventor： Chi Wai So ,  Owen Patrick Columbus ,  David Quijano ,  Stacy L. Wolff

IPC: H04N21/4402 ,  G09G5/00 ,  H04N21/4363

CPC classification number: H04N21/440218 ,  G09G5/005 ,  H04N21/43635 ,  G09G2370/12 ,  G09G2370/20

Abstract: Example video ingestion cables, display systems, and methods for harmonizing video formats for video ingestion are provided. An example video ingestion cable includes a first video interface connector cable to receive a first video feed formatted according to a first video format, a second video interface connector cable to receive a second video feed formatted according to a second video format, a format conversion circuit to convert the first video feed or the second video feed to a harmonized video format, and an output interface connector to transmit one of the first video feed and the second video feed as an output video feed formatted according to the harmonized video format to a display device. An example display system includes first and second video ingestion cables and a video ingestion circuit to select an input video feed for display.