公开(公告)号：US20230356525A1

公开(公告)日：2023-11-09

申请号：US18225023

申请日：2023-07-21

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

Inventor： Scott A. Linn ,  James Michael Gardner ,  Michael W. Cumbie

IPC: B41J2/045

CPC classification number: B41J2/04541 ,  B41J2/04586

Abstract: An integrated circuit to drive a plurality of fluid actuation devices includes a status register, a plurality of interfaces, and control logic. The plurality of interfaces include a mode interface, a data interface, and a fire interface. The control logic enables reading of the status register in response to a signal on the mode interface transitioning to logic high with a logic high signal on the data interface, and transitioning a signal on the fire interface to logic high with the signal on the single data interface floating.

公开(公告)号：US20230356522A1

公开(公告)日：2023-11-09

申请号：US18246158

申请日：2020-09-22

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

Inventor： Javier CASTRO SORIANO ,  Nestor LUID PINOL ,  Carles CARMONA CALPE ,  David VENDRELL TORNERO

IPC: B41J2/045 ,  B41J25/308

CPC classification number: B41J2/04505 ,  B41J2/04503 ,  B41J25/308

Abstract: A method is described in which a difference in height is determined between a current position and a calibration position of a printhead of a printer. An alignment value for the printhead is then determined based on the difference.

公开(公告)号：US11810731B2

公开(公告)日：2023-11-07

申请号：US17484587

申请日：2021-09-24

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

Inventor： Israel Patla ,  Faina Kogan ,  Itay Eyal ,  Yaron Grinwald ,  Mark Sandler

IPC: H01L31/00 ,  H01G9/20 ,  C09D11/107 ,  C09D11/037 ,  C09D11/52 ,  H10K71/13

CPC classification number: H01G9/2059 ,  C09D11/037 ,  C09D11/107 ,  C09D11/52 ,  H10K71/13

Abstract: Described herein is a liquid electrophotographic photovoltaic ink composition comprising: a dispersion of a material with a perovskite structure, a thermoplastic resin and conductive particles in a carrier liquid; wherein the material with a perovskite structure has a chemical formula selected from ABX3 and A2BX6; wherein A is a cation, B is a cation and X is an anion; and wherein the thermoplastic resin comprises: a copolymer of an alkylene monomer and a monomer having acidic side groups; and/or a copolymer of an alkylene monomer and an ethylenically unsaturated monomer comprising an epoxide; and/or a copolymer of an alkylene monomer, an ethylenically unsaturated monomer comprising an epoxide, and a monomer selected from a monomer having acidic side groups, a monomer having ester side groups and a mixture thereof. Also described is a method of producing a photovoltaic cell using the LEP ink and the printed cell produced by the method.

公开(公告)号：US11810587B2

公开(公告)日：2023-11-07

申请号：US17419767

申请日：2019-07-26

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

Inventor： Alexander Wayne Clark ,  Hui Leng Lim ,  Chi So

IPC: G10L21/0232 ,  G01S13/72 ,  G01S13/86 ,  G06F3/16 ,  H04M3/56 ,  H04R1/40 ,  H04R3/00 ,  G10L21/0216

CPC classification number: G10L21/0232 ,  G01S13/726 ,  G01S13/86 ,  G06F3/165 ,  H04M3/568 ,  H04R1/406 ,  H04R3/005 ,  G10L2021/02166 ,  H04R2201/401 ,  H04R2410/01

Abstract: In example implementations, an apparatus is provided. The apparatus includes a microphone, a radar, a memory, and a processor in communication with the microphone, the radar, and the memory. The microphone is to receive audio signals. The radar is to collect data on users in a location. The memory is to store known body positions associated with having a side-conversation. The processor is to determine that a user is having a side-conversation based on the data collected by the radar compared to the known body positions associated with having a side-conversation and filter noise associated with the side-conversation received by the microphone from a direction associated with the user.

公开(公告)号：US11809392B2

公开(公告)日：2023-11-07

申请号：US17200401

申请日：2021-03-12

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

Inventor： Kevin Williams ,  Amit Kumar Singh ,  Gaurav Roy

IPC: G06F16/21 ,  G06F16/22 ,  G06F16/955 ,  G06F16/23

CPC classification number: G06F16/219 ,  G06F16/22 ,  G06F16/2379 ,  G06F16/955

Abstract: An example of an apparatus including a network interface to receive enrollment data from a device, wherein the device is identified by a device identifier. The apparatus further includes a memory storage unit connected to the network interface. The memory storage unit receives device history data associated with the device identifier while the device is enrolled. The memory storage unit is also to maintain a database to store the device history data associated with the device identifier. The apparatus also includes a processor to receive a de-enrollment command associated with the device via the network interface. The de-enrollment command causes the processor to modify the device identifier stored in the database.

公开(公告)号：US11807019B2

公开(公告)日：2023-11-07

申请号：US17312366

申请日：2019-07-31

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

Inventor： Ronald Albert Askeland ,  Blair A. Butler ,  Ronald J. Ender ,  Craig L. Malik ,  Daniel D. Dowell ,  Seth Stephen Haddix ,  Si-Lam J. Choy ,  Alexander Govyadinov

IPC: B41J2/175

CPC classification number: B41J2/17596

Abstract: A printing fluid pen includes a plurality of fluid ports, a pressure regulator in fluid communication with a first fluid port, and a valve in fluid communication with a second fluid port. The first fluid port is to deliver printing fluid to a fluid ejection device, and the second fluid port is to direct printing fluid out of the pen. In response to negative pressure, the valve is to open to enable fluids within the pen to exit via the second port.

公开(公告)号：US11807001B2

公开(公告)日：2023-11-07

申请号：US17950412

申请日：2022-09-22

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

Inventor： Scott A. Linn ,  James M. Gardner

IPC: B41J29/393 ,  B41J2/045

CPC classification number: B41J2/04586 ,  B41J2/04541 ,  B41J2/04573 ,  B41J29/393

Abstract: An integrated circuit for a fluid ejection device having actuators to operate during a non-reset operating condition is disclosed. The integrated circuit includes a reset input to receive a reset signal activated for a duration. The reset signal generates a reset condition in the integrated circuit. The integrated circuit also includes a monitor circuit operably coupled to the reset input to indicate if the duration of the reset signal meets or exceeds a selected duration and a nonvolatile memory device having data accessible during the reset condition.

公开(公告)号：US11806992B2

公开(公告)日：2023-11-07

申请号：US17419077

申请日：2019-09-04

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

Inventor： Pablo Arteaga ,  Carles Flotats Villagrasa ,  David Melero Cazorla

IPC: B41J11/00 ,  B41J11/06 ,  B41J29/46

CPC classification number: B41J11/0095 ,  B41J11/06 ,  B41J29/46

Abstract: A sensor support, as well as a platen and printer for use with the sensor support. The sensor support comprising a first section and a second section. The first section is capable of receiving a sensor. The first section and the second section are associated together such that there is at least a degree of freedom of movement of the first section relative to the second section. The sensor support further comprises biasing means to urge the first section away from the second section.

公开(公告)号：US11806788B2

公开(公告)日：2023-11-07

申请号：US17059072

申请日：2018-11-26

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

Inventor： David Champion ,  Pavan Suri ,  John Liebeskind ,  Richard Seaver

IPC: B22F3/10 ,  F27D7/02 ,  F27B5/18 ,  F27D19/00

CPC classification number: B22F3/1007 ,  F27D7/02 ,  B22F2998/10 ,  F27D2019/0006 ,  F27D2019/0028

Abstract: In an example implementation, a sintering system includes a detection gas line to enable gas to flow into a sintering furnace from an external gas supply. The system includes a detection gas port inside the furnace through which gas from the detection gas line is to flow into the furnace, and a registration feature inside the furnace to enable positioning of a token green object proximate the gas detection port. The system includes a gas flow monitor to detect changes in gas flow through the detection gas line when the token green object shrinks during a sintering process in the furnace.

公开(公告)号：US20230347587A1

公开(公告)日：2023-11-02

申请号：US18349161

申请日：2023-07-09

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

Inventor： Shannon Reuben Woodruff ,  Ali Emamjomeh ,  Yi Feng ,  Erica Fung ,  Carolin Fleischmann ,  Geoffrey Schmid

IPC: B29C64/165 ,  B33Y70/00

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

Abstract: This disclosure relates to a material set including a build material for 3-D printing including particles of a polymer comprising polymer chains having at least one reactive group that is protected with a protecting group. The material set further includes an inkjet composition including a de-protecting agent for removal of the protecting group, and a liquid carrier.