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    Formation of gloss level areas having a glossy finish and a matte finish in an image
    12.
    发明授权
    Formation of gloss level areas having a glossy finish and a matte finish in an image 有权

    公开(公告)号：US10723143B2

    公开(公告)日：2020-07-28

    申请号：US15298076

    申请日：2016-10-19

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

    Inventor： Alex Andrea Tallada ,  Carmen Blasco Cortes ,  Xavier Quintero Ruiz ,  David Ramirez Muela

    IPC: B41J11/02 ,  B41J11/00

    Abstract: A method includes printing an image on substrate by a printhead using ultraviolet (UV) curable ink. The method includes selectively applying a first amount of UV radiation by a first region of a light source to a first area of the image after a first amount of time passes from printing the first area to form a first gloss level area having a glossy finish. The method also includes selectively applying a second amount of UV radiation by a second region of the light source to a second area of the image after a second amount of time passes from printing the second area to form a second gloss level area having a matte finish. At least one of the second amount of UV radiation is greater than the first amount of UV radiation and the first amount of time is greater than the second amount of time.

    PRINTING WITHIN DEFINED ZONES
    13.
    发明申请
    PRINTING WITHIN DEFINED ZONES 审中-公开

    公开(公告)号：US20190322109A1

    公开(公告)日：2019-10-24

    申请号：US16475609

    申请日：2017-04-21

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

    Inventor： Leticia Rubio ,  Utpal Sarkar ,  Raul Rodriguez Alonso ,  Xavier Quintero Ruiz

    IPC: B41J11/00

    Abstract: A method of printing on a printable medium is disclosed. The method of printing may use a print head having a plurality of nozzles. The printable medium may have a leading edge and a defined zone adjacent to the leading edge. The print head may deposit print agent onto the printable medium via the plurality of nozzles during successive printing passes. The method may comprise printing outside, and not within, the defined zone on the printable medium using a first subset of nozzles of the plurality of nozzles. The method may further comprise printing within, and not outside, the defined zone on the printable medium using a second subset of nozzles of the plurality of nozzles.

    Determining reflected light intensities of light sources
    17.
    发明授权
    Determining reflected light intensities of light sources 有权

    公开(公告)号：US11285733B2

    公开(公告)日：2022-03-29

    申请号：US17047334

    申请日：2018-05-16

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

    Inventor： Manuel Agudo Acemel ,  Andreas Muller ,  Xavier Quintero Ruiz

    IPC: B41J2/21 ,  B41J29/393 ,  G01N21/55

    Abstract: The method may comprise depositing print agent of a particular color onto a printable substrate to form a patch of print agent. It may comprise directing radiation from a plurality of radiation sources onto the patch of print agent and onto the printable substrate. Also, may comprise detecting, using a sensor, radiation from the plurality of radiation sources which has been reflected from the printable substrate and radiation from the plurality of radiation sources which has been reflected from the patch of print agent. Further, may comprise measuring, for each of the plurality of radiation sources, an intensity of the radiation reflected from the printable substrate and an intensity of the radiation reflected from the patch of print agent. Also, may comprise selecting, based on the measured intensities, a radiation source of the sources to be associated with the print agent of the particular color.

    INTERFERENTIAL PATTERNS FOR PRINTER CALIBRATION
    18.
    发明申请
    INTERFERENTIAL PATTERNS FOR PRINTER CALIBRATION 有权

    公开(公告)号：US20210283903A1

    公开(公告)日：2021-09-16

    申请号：US16603583

    申请日：2017-11-13

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

    Inventor： Xavier Quintero Ruiz ,  Raui Rodriguez Alonso ,  Montserrat Solano Paiiarol

    IPC: B41J2/045

    Abstract: Certain examples describe a method of calibrating a printer and a printing system. An interferential pattern is printed in the form of a print calibration image on a print medium. Data representative of the interferential pattern as printed on the print medium is detected using an optical sensor. The printer is calibrated based on the captured data. The interferential pattern is based on a waveform that varies in amplitude along an axis perpendicular to a printing axis under calibration and has repeated sets of multiple patterns based on the waveform, the repeated sets having a varying pattern spacing in the printing axis under calibration.

    Applying first and second weaving masks
    19.
    发明授权
    Applying first and second weaving masks 有权

    公开(公告)号：US10946659B2

    公开(公告)日：2021-03-16

    申请号：US16301716

    申请日：2016-07-29

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

    Inventor： Leticia Rubio ,  Utpal Sarkar ,  Xavier Quintero Ruiz

    IPC: B41J2/155 ,  B41J2/21 ,  B41J2/14 ,  G06K15/10

    Abstract: A printing apparatus comprises a printhead and a controller. The printhead includes dies, each die comprising rows of nozzles, wherein, in an overlapping region, the rows of nozzles of two dies overlap in a first direction, in which a relative movement between the printhead and a print medium takes place during operation of the printing apparatus. The controller is to apply a first weaving mask to a first row of nozzles of a first die and a second weaving mask to a second row of nozzles of the first die, the second weaving mask being different from the first weaving mask, the weaving masks defining, independent of print data, which of the nozzles of the corresponding row are to be used for printing in the overlapping region.

    Cutting print substrates
    20.
    发明授权
    Cutting print substrates 有权

    公开(公告)号：US10787008B2

    公开(公告)日：2020-09-29

    申请号：US16494967

    申请日：2017-06-20

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

    Inventor： Leticia Rubio ,  Xavier Quintero Ruiz ,  Utpal Kumar Sarkar

    IPC: B41J11/66

    Abstract: Print apparatus is controlled to execute a print operation comprising a plurality of print sweeps onto a print zone of a print substrate and a corresponding plurality of print advances of the print substrate between successive print sweeps. Print apparatus is controlled to execute an intermediate cutting operation between a pre-cut print sweep and a successive post-cut print sweep of the plurality of print sweeps.

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