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    Skew sensor calibration
    2.
    发明授权
    Skew sensor calibration 有权

    公开(公告)号：US10343433B2

    公开(公告)日：2019-07-09

    申请号：US15748879

    申请日：2015-10-30

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

    Inventor： Hsue-Yang Liu ,  Luke P. Sosnowski ,  Mark H. Mackenzie

    IPC: B41J29/38 ,  B41J2/175 ,  B41J11/00 ,  B41J13/00 ,  B41J13/03

    Abstract: A skew sensor calibration unit including a scanner providing a scanned image of a sheet as the sheet is conveyed along a transport path, the scanned image including a leading edge of the sheet and a skew detection pattern printed thereon by a printhead. A calibration module measures a top skew of the sheet based on position signals from a plurality of skew sensors indicating a position of a leading edge of a sheet as the sheet is conveyed along the transport path, measure an image skew of the sheet relative to the printhead based on the scanned image, and generates a calibration factor that when applied to the measured top skew provides a calibrated top skew that matches the image skew.

    PRINTING SYSTEM WITH FORCE CONTROL MODE
    4.
    发明申请
    PRINTING SYSTEM WITH FORCE CONTROL MODE 有权
    具有强制控制模式的打印系统

    公开(公告)号：US20160144639A1

    公开(公告)日：2016-05-26

    申请号：US14807098

    申请日：2015-07-23

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

    Inventor： Luke P. Sosnowski ,  Pierre J. Kaiser ,  Alexander Toia ,  Arthur H. Barnes ,  Erich Waldherr Hacker

    IPC: B41J13/00

    CPC classification number: B41J13/0009 ,  B41J13/0027

    Abstract: A printing system includes a printhead to eject ink onto a print medium in a print zone. A first roller pair is adjacent to the print zone to advance a print medium into the print zone. A second roller pair upstream from the first roller pair, and driven by an independent motor, advances the print medium to the first roller pair in a position control mode. A controller causes the second roller pair to switch from the position control mode to a force control mode when a leading edge of the print medium reaches the first roller pair. The second roller pair applies a substantially constant force to the print medium in the force control mode to push the leading edge of the print medium against the first roller pair while the first roller pair is stationary.

    Abstract translation: 打印系统包括用于将墨水喷射到打印区域中的打印介质上的打印头。 第一辊对与打印区域相邻以将打印介质推进到打印区域中。 由第一辊对上游并由独立电动机驱动的第二辊对在位置控制模式下将打印介质推到第一辊对。 当打印介质的前端到达第一辊对时，控制器使第二辊对从位置控制模式切换到力控制模式。 第二辊对在力控制模式下对打印介质施加基本恒定的力，以在第一辊对静止时将打印介质的前端推靠在第一辊对上。

    Printing device performance management
    7.
    发明授权
    Printing device performance management 有权

    公开(公告)号：US09744782B1

    公开(公告)日：2017-08-29

    申请号：US15296679

    申请日：2016-10-18

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

    Inventor： Luke P. Sosnowski

    IPC: B41J13/00 ,  G03G15/00

    CPC classification number: B41J13/0018 ,  G03G15/6511

    Abstract: In some examples, printing device performance management may include determining a physical media feed motor speed of operation for a physical media feed motor for a printing device including the physical media feed motor for transferring a physical medium within a print zone of the printing device, and a further motor for transferring the physical medium towards the print zone. For each physical medium that is to be transferred towards the print zone, the further motor may be actuated to transfer the physical medium at a further motor speed that is greater than the physical media feed motor speed to reduce a further motor duty cycle.

    Media jam clearing
    8.
    发明授权
    Media jam clearing 有权
    媒体堵塞清除

    公开(公告)号：US09302505B2

    公开(公告)日：2016-04-05

    申请号：US14418773

    申请日：2012-09-27

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

    Inventor： Alexander Toia ,  Luke P. Sosnowski ,  Michael James Rode ,  Richard Scott Smith

    IPC: B41J11/00

    CPC classification number: B41J11/006

    Abstract: A method for media jam clearing includes detecting a media jam with sensor in the printer, in which the media jam comprises a sheet of media stuck in a media path of the printer. The method further includes monitoring for user action that alters the mechanically alters the state of the printer and detecting a user action that mechanically alters the state of the printer. In response to detection of the user action, the printer automatically attempts to clear the media jam.

    Abstract translation: 一种用于介质堵塞清除的方法包括：检测打印机中的传感器中的介质堵塞，其中介质堵塞包括粘贴在打印机的介质路径中的一张介质。 该方法还包括监视用户动作，改变机械地改变打印机的状态并检测机械地改变打印机状态的用户动作。 响应于用户操作的检测，打印机自动尝试清除介质卡纸。

    Media transport assembly shaft
    9.
    发明授权
    Media transport assembly shaft 有权
    介质运输装配轴

    公开(公告)号：US09261133B2

    公开(公告)日：2016-02-16

    申请号：US13660461

    申请日：2012-10-25

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

    Inventor： Gabriel Michael Rask Gassoway ,  Luke P. Sosnowski ,  Kynan Lon Church ,  Mike Fairchild

    IPC: F16C13/02 ,  F16C33/72 ,  F16C35/02 ,  F16C17/02

    CPC classification number: F16C13/02 ,  F16C17/02 ,  F16C33/723 ,  F16C35/02

    Abstract: A shaft for a media transport assembly includes a first assembly provided at a first end of the shaft to datum the shaft, and a second assembly provided at a second end of the shaft to bias the shaft in a direction opposite the second end of the shaft such that the first assembly and the second assembly each provide point contact with a respective surface oriented substantially perpendicular to an axis of the shaft.

    Abstract translation: 用于介质输送组件的轴包括设置在轴的第一端以基准轴的第一组件，以及设置在轴的第二端处的第二组件，用于在与轴的第二端相反的方向上偏压轴 使得第一组件和第二组件各自提供与基本垂直于轴的轴线定向的相应表面的点接触。

    PRINTING SYSTEM WITH FORCE CONTROL MODE
    10.
    发明申请
    PRINTING SYSTEM WITH FORCE CONTROL MODE 有权
    具有强制控制模式的打印系统

    公开(公告)号：US20140210895A1

    公开(公告)日：2014-07-31

    申请号：US13756404

    申请日：2013-01-31

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

    Inventor： Luke P. Sosnowski ,  Pierre J. Kaiser ,  Alexander Toia ,  Arthur H. Barnes ,  Erich Waldherr Hacker

    IPC: B41J11/42

    CPC classification number: B41J13/0009 ,  B41J13/0027

    Abstract: A printing system includes a printhead to eject ink onto a print medium in a print zone. A first roller pair is adjacent to the print zone to advance a print medium into the print zone. A second roller pair upstream from the first roller pair, and driven by an independent motor, advances the print medium to the first roller pair in a position control mode. A controller causes the second roller pair to switch from the position control mode to a force control mode when a leading edge of the print medium reaches the first roller pair. The second roller pair applies a substantially constant force to the print medium in the force control mode to push the leading edge of the print medium against the first roller pair while the first roller pair is stationary.

    Abstract translation: 打印系统包括用于将墨水喷射到打印区域中的打印介质上的打印头。 第一辊对与打印区域相邻以将打印介质推进到打印区域中。 由第一辊对上游并由独立电动机驱动的第二辊对在位置控制模式下将打印介质推到第一辊对。 当打印介质的前端到达第一辊对时，控制器使第二辊对从位置控制模式切换到力控制模式。 第二辊对在力控制模式下对打印介质施加基本恒定的力，以在第一辊对静止时将打印介质的前端推靠在第一辊对上。

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