Patents Assigned to Hewlett-Packard and Development Company, L.P.
  • Image forming apparatus enable to change output direction of printed paper, electronic apparatus and method for image forming thereof
    Patent number: 11256452
    Abstract: An image forming apparatus and method for rotating a generated print image are provided. The image forming apparatus includes a print engine to form an image on a printing paper and a processor to generate a print image corresponding to print data, rotate the generated print image so that the generated print image corresponds to a user setting orientation if a default output orientation of the image forming apparatus is different from the user setting orientation, and control the print engine to print the rotated print image.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: February 22, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: GyeongHun Jo
  • Nucleic acid separation
    Patent number: 11253857
    Abstract: An example system includes an input channel to flow nucleic segments therethrough, a mixing portion coupled to the input channel, a separation chamber in fluid communication with the second end of the input channel, at least two output channels coupled to the chamber, and an integrated pump to facilitate flow through the separation chamber. The mixing portion is to include at least two different categories of beads having different sizes from each other and having a probe to attach to a corresponding nucleic acid segment. The separation chamber has a passive separation structure including an array of columns spaced apart to facilitate separation of the different categories of beads and attached corresponding nucleic acid segment into at least two flow paths based on a size of the category of the beads. Each output channel is to receive separated categories of beads and attached nucleic acid segments.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: February 22, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Viktor Shkolnikov, Alexander Govyadinov
  • Color resources
    Patent number: 11258926
    Abstract: An example color resource is generated. A source color from a first color space is converted to a corresponding greyscale color in a greyscale color space. The greyscale color includes a first luminosity amount. A black channel amount is adjusted to a depletion color from a second color space to form a target color in the second color space. The depletion color corresponds with a transformation of the source color into the second color space. The depletion color includes a second luminosity amount, and adjusting the black channel includes matching the second luminosity amount in the target color with the first luminosity amount.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: February 22, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Morgan T. Schramm, Ranjit Bhaskar, Jesse Sutherland, Wesley R. Schalk
  • Feeding mechanisms for 3D printers
    Patent number: 11254056
    Abstract: In order to have ensure a proper dosing of a 3D printing system, it is disclosed a feeding mechanism for feeding build material to a surface that comprises: a receptacle to receive build material; and an outlet of the build material having a substantially quadrilateral opening with a first dimension and a second dimension orthogonal to one another; the outlet further comprising a third dimension orthogonal to the first dimension and the second dimension defining the height of the outlet, and the feeding mechanism being to selectively feed build material from the receptacle through the outlet onto a surface as the feeding mechanism moves along a travel direction over the surface, being such travel direction parallel to the first dimension of the outlet, the feeding mechanism further comprising an actuator to modify the magnitude of at least one of the second dimension or the third dimension outlet.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: February 22, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Brent Ewald, John Geile, Tristan Dudik, Michael Rode
  • Fluid sets
    Patent number: 11254832
    Abstract: A fluid set can include an ink composition having an acidic pH and a crosslinker composition having a basic pH from pH 8 to pH 10. The ink composition can include from 60 wt % to 90 wt % water, from 5 wt % to 30 wt % organic co-solvent, from 1 wt % to 6 wt % pigment, a sulfonated dispersant, and an acrylic polymer binder. The crosslinker composition can include from 70 wt % to 95 wt % water, from 1 wt % to 25 wt % organic co-solvent, and from 0.5 wt % to 5 wt % polycarbodiimide.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: February 22, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Dennis Z. Guo, Jie Zheng
  • Detecting a change to system management mode bios code
    Patent number: 11256589
    Abstract: Examples herein disclose monitoring an expected functionality upon execution of a system management mode (SMM) code. The examples detect whether a change has occurred to the SMM code based on the monitoring of the expected functionality. The change indicates that the SMM code is compromised.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: February 22, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Jeffrey Kevin Jeansonne, Boris Balacheff, Valiuddin Ali, Chris I. Dalton, David Plaquin
  • Pipette dispenser tip utilizing print head
    Patent number: 11253850
    Abstract: An apparatus includes a pipette dispenser to control dispensing of a volume to a dispensing location. A tip is operatively coupled to the pipette dispenser. The tip includes an electromechanical print head to dispense the volume from the pipette dispenser to the dispensing location based on a command from the pipette dispenser that indicates an amount of the volume to be dispensed from the print head.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: February 22, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Matthew David Smith, Christie Dudenhoefer, Jeffrey A. Nielsen, Kenneth Ward, Hilary Ely
  • MICROFLUIDIC REACTION CHAMBER FOR AMPLIFICATION OF NUCLEIC ACIDS
    Publication number: 20220048026
    Abstract: Examples herein involve amplification and detection of nucleic acids using a microfluidic reaction chamber. An example apparatus includes a reaction-chamber circuit to process a reagent and a biologic sample for amplification of nucleic acids. The apparatus further includes a plurality of capillaries to pass the reagent and the biologic sample through the microfluidic reaction chamber. A valve control system may selectively control each of a plurality of valves to cause the reagent and the biologic sample to selectively move through the microfluidic reaction chamber for the amplification of the nucleic acids according to a particular timing sequence.
    Type: Application
    Filed: April 29, 2019
    Publication date: February 17, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Si-lam Choy, Hilary Ely, John Lahmann
  • LIQUID ELECTRO-PHOTOGRAPHIC PRINTING TRANSFER
    Publication number: 20220050400
    Abstract: A liquid electro-photographic printing system, comprising: a binary ink developer assembly, a power supply arrangement, a switching arrangement, and a controller. The binary ink developer assembly includes a plurality of members defining a flow path for a printing fluid containing charged particles, the plurality of members including a first member and a second member that are arranged to generate an electric field therebetween, the first member having a plurality of segments. The power supply arrangement continuously provides a supply of voltages during a print operation, the voltages including a first voltage and a second voltage having a different voltage level from that of the first voltage.
    Type: Application
    Filed: November 17, 2018
    Publication date: February 17, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Lavi Cohen, Asaf Shoshani, Doron Schlumm, Michael Vinokur
  • METHOD OF REFURBISHING AN INTERMEDIATE TRANSFER MEMBER
    Publication number: 20220050406
    Abstract: Described herein is a method of refurbishing an intermediate transfer member (ITM) blanket comprising: cleaning a silicone release layer of the ITM blanket with a cleaning composition; applying a primer composition onto the silicone release layer of the ITM blanket to form a primer layer; applying a silicone release formulation to the primer layer; curing the silicone release formulation to form a silicone release layer; wherein at least one of the cleaning composition and the primer composition comprises a polysiloxane surfactant.
    Type: Application
    Filed: June 6, 2019
    Publication date: February 17, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Dima LIBSTER, Dina VOLOSHIN FIROUZ, Sergey INOTAEV, Gabi HABIBI
  • CONTROL OF PRINTER HEATING ELEMENTS BASED ON INPUT VOLTAGES
    Publication number: 20220050413
    Abstract: An apparatus may include a power connection to receive an input power and a volt meter coupled to the power connection. The volt meter may be to measure an input voltage of the input power. A controller may be coupled to a heating element and the volt meter. The controller may control the heating element based on the input voltage measured by the volt meter.
    Type: Application
    Filed: April 30, 2019
    Publication date: February 17, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Duane A. Koehler, Robert Yraceburu
  • PRINT MATERIAL LEVEL SENSING
    Publication number: 20220048296
    Abstract: A print material level sensor has a series of print material level sensing devices disposed at intervals to detect presence of a print material at successive depth zones in a container. Each print material level sensing device includes a heater to emit heat at its depth zone and a sensor to sense heat at the depth zone and to output a signal based on the heat sensed. The sensor has control circuitry to enable supply of electrical power to a heater of a first print material level sensing device in a first depth zone and to receive the signal from the sensor of the first print material level sensing device, the control circuitry including a comparator to compare a value of the signal to a target value, wherein the control circuitry stops enabling supply of the electrical power to the heater when the value of the signal is at least equal to the target value.
    Type: Application
    Filed: April 5, 2019
    Publication date: February 17, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Daryl E. ANDERSON, James Michael GARDNER
  • SELECTIVE PRIVACY DISPLAYS
    Publication number: 20220050314
    Abstract: In example implementations, a display is provided. The display includes a collimated back light unit (BLU) comprising a light guide plate and a plurality of light emitting diodes (LEDs), a polymer dispersed liquid crystal (PDLC) layer formed over the collimated BLU, a thin film transistor (TFT) substrate, a liquid crystal layer formed over the TFT substrate, a color filter (CF) substrate, and a controller. The PDLC layer is to provide selective privacy areas on the display. The TFT substrate is to control emission of light from the plurality of LEDs. The CF substrate is to control a color of the light emitted from the plurality of LEDs. The controller is communicatively coupled to the plurality of LEDs and the POLO layer to activate a selected area of the PDLC layer to enable a privacy area on a corresponding area that is selected on the display.
    Type: Application
    Filed: December 13, 2018
    Publication date: February 17, 2022
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Hsing-Hung Hsieh, Wan Ching Lee, Dehuei Chen
  • GYROSCOPE DEVICES WITH CONTROL ROTORS AND REACTION WHEELS
    Publication number: 20220049957
    Abstract: In an example, a gyroscope device may include a control rotor to spin about a central axis and a reaction wheel to spin about the central axis, independent of the control rotor. An example gyroscope device may also include an actuator to change the orientation of the control rotor.
    Type: Application
    Filed: April 2, 2019
    Publication date: February 17, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Jonathan Michael Anderson, Matthew Flach
  • SALIENCY-BASED HIERARCHICAL SENSOR DATA STORAGE
    Publication number: 20220050623
    Abstract: A hierarchical sensor data storage system includes a data storage to store processed data that includes sensor data generated by a sensor and feature vectors associated with the sensor data that are generated by a processing subsystem processing the sensor data. Another data storage may store a reduced subset of the feature vectors and associated sensor data as salient data, as determined by a saliency subsystem.
    Type: Application
    Filed: March 21, 2019
    Publication date: February 17, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: David Murphy, Thomas da Silva Paula, Carlos Eduardo Leao
  • RADIATION AMOUNT DETERMINATION FOR AN INTENDED SURFACE PROPERTY LEVEL
    Publication number: 20220048259
    Abstract: According to examples, an apparatus includes a processor and a memory on which is stored machine readable instructions. The instructions may cause the processor to identify an intended surface property level for a surface of a three-dimensional (3D) object, determine an amount of radiation to be applied as a flash of radiation onto the surface to obtain the intended surface property level, and output the determined amount of radiation to be applied as a flash of radiation, in which a radiation source is to flash apply the determined amount of radiation onto the surface of the 3D object.
    Type: Application
    Filed: October 28, 2021
    Publication date: February 17, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Krzysztof NAUKA, Andrew E. FITZHUGH, Lihua ZHAO
  • UPDATES OF MACHINE LEARNING MODELS BASED ON CONFIDENTIAL DATA
    Publication number: 20220050918
    Abstract: An example of a computer-readable medium to store machine-readable instructions. The instructions may cause a processor to update a machine learning model based on first confidential data set. The machine learning model may have been previously trained based on a training data set distinct from the confidential data set. The instructions may cause the processor to apply the machine learning model after the update to a second confidential data set.
    Type: Application
    Filed: December 12, 2018
    Publication date: February 17, 2022
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventor: Augusto Queiroz de Macedo
  • PREPROCESSING SENSOR DATA FOR MACHINE LEARNING
    Publication number: 20220053071
    Abstract: A method includes receiving, with a computing device, a configuration file and a client request to apply a machine learning model to a set of data from a sensor. The method includes performing, with the computing device, preprocessing on the set of data from the sensor based on the configuration file to generate preprocessed data. The method includes sending, with the computing device, a call to a model server to apply the machine learning model to the preprocessed data.
    Type: Application
    Filed: March 14, 2019
    Publication date: February 17, 2022
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: David Murphy, Thomas da Silva Paula, Wagston Tassoni Staehler, Joao Eduardo Carrion, Alexandre Santos da Silva, Jr., Juliano Cardoso Vacaro, Gabriel Rodrigo De Lima Paz
  • CONDITIONAL FIRMWARE IMAGES
    Publication number: 20220050689
    Abstract: In an example implementation according to aspects of the present disclosure, a method, system and computing device for supporting conditional firmware images. A set of conditions may be received, wherein the conditions are based on characteristics of a computer. A set of indications corresponding to displayable images may be received. The set of conditions may be compared against a system clock of the computer. Responsive to the comparing, a section of the non-volatile memory may be set to one of the set of indications based on the comparing. One of the displayable images corresponding to the section may be displayed.
    Type: Application
    Filed: December 20, 2018
    Publication date: February 17, 2022
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Binh Truong, King-Yan Lau, Chi So
  • Computer
    Patent number: D944244
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: February 22, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Henry Ken Chu, Daniel Young Yoon, Siddhartha Bhat, Glenn A Wong, John William Pennington, Jr., Rahul Shrikant Patil