公开(公告)号：US20230209000A1

公开(公告)日：2023-06-29

申请号：US17999258

申请日：2020-05-20

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

Inventor： David PEINADO GUTIERREZ ,  Montserrat SOLANO PALLAROL ,  Ferran OLIVERA CORPAS

IPC: H04N1/60 ,  H04N1/00

CPC classification number: H04N1/6044 ,  H04N1/00968

Abstract: A print apparatus calibration method is disclosed. The method comprises printing, from each of a plurality of dies of a print head onto a printable substrate, an image in a first color according to a calibration pattern and an image in a second color according to the calibration pattern, the calibration pattern comprising a plurality of patches having a plurality of different densities. The method may comprise scanning, using a scanning unit, the images formed on the printable substrate to generate scanned image data, wherein the images in the first color are scanned by a first scanning module of the scanning unit and the images in the second color are scanned by a second scanning module of the scanning unit. The method may comprise analyzing, using processing apparatus, the scanned image data to identify any differences between printed densities of corresponding patches in different images of the same color. The method may comprise performing a calibration based on the analysis. A print apparatus and a machine-readable medium are also disclosed.

公开(公告)号：US20170032225A1

公开(公告)日：2017-02-02

申请号：US15294759

申请日：2016-10-16

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

Inventor： Peter MOROVIC ,  Jan MOROVIC ,  Montserrat SOLANO PALLAROL ,  Marti RIUS ROSSELL ,  Juan MANUEL GARCIA REYERO VINAS

IPC: G06K15/02 ,  H04N1/60

CPC classification number: G06K15/027 ,  B41J2/2146 ,  B41J29/38 ,  B41J29/393 ,  G06F3/12 ,  G06K2215/0094 ,  G06K2215/101 ,  H04N1/6008 ,  H04N1/6038 ,  H04N1/605

Abstract: A calibration target is disclosed. The calibration target is created such that a color patch is sensitive to drop weight changes based on drop weight variations that show greater changes in color for a given change in drop weight.

Abstract translation: 公开了一种校准目标。 创建校准目标，使得色标对于基于对于给定的重量变化显示更大的颜色变化的液滴重量变化而对重量变化敏感。

公开(公告)号：US20160086059A1

公开(公告)日：2016-03-24

申请号：US14787409

申请日：2013-07-23

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

Inventor： Peter MOROVIC ,  Jan MOROVIC ,  Montserrat SOLANO PALLAROL ,  Marti RIUS ROSSELL ,  Juan MANUEL GARCIA REYERO VINAS

IPC: G06K15/02 ,  B41J29/38 ,  H04N1/60

CPC classification number: G06K15/027 ,  B41J2/2146 ,  B41J29/38 ,  B41J29/393 ,  G06F3/12 ,  G06K2215/0094 ,  G06K2215/101 ,  H04N1/6008 ,  H04N1/6038 ,  H04N1/605

Abstract: A calibration target is disclosed. The calibration target is created such that a color patch is sensitive to drop weight changes.

Abstract translation: 公开了一种校准目标。 创建校准目标，使得色标对于减轻重量变化敏感。