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    Fluid ejection device capping
    1.
    发明授权
    Fluid ejection device capping 有权

    公开(公告)号：US11325371B2

    公开(公告)日：2022-05-10

    申请号：US17082868

    申请日：2020-10-28

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

    Inventor： Timothy Wagner ,  Hyoen-Mu Yoo ,  Bruce A. Stephens

    IPC: B41J2/045 ,  B41J2/165 ,  G06F3/12

    Abstract: In an example, an apparatus is described that a fluid ejection device to dispense fluid. A local service controller controls dispensing of the fluid by the fluid ejection device under a direction of a fluid ejection controller. The local service controller also initiates, autonomously of the fluid ejection controller, capping of the fluid ejection device in response to the detection of a failure condition by the local service controller. Capping mechanics are provided to cap the fluid ejection device under the direction of the local service controller.

    FLUID EJECTION DEVICE CAPPING
    2.
    发明申请
    FLUID EJECTION DEVICE CAPPING 有权

    公开(公告)号：US20210086504A1

    公开(公告)日：2021-03-25

    申请号：US17082868

    申请日：2020-10-28

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

    Inventor： Timothy Wagner ,  Hyoen-Mu Yoo ,  Bruce A. Stephens

    IPC: B41J2/045 ,  B41J2/165 ,  G06F3/12

    Abstract: In an example, an apparatus is described that a fluid ejection device to dispense fluid. A local service controller controls dispensing of the fluid by the fluid ejection device under a direction of a fluid ejection controller. The local service controller also initiates, autonomously of the fluid ejection controller, capping of the fluid ejection device in response to the detection of a failure condition by the local service controller. Capping mechanics are provided to cap the fluid ejection device under the direction of the local service controller.

    Two-sided multi-lane print for independent print streams
    5.
    发明授权
    Two-sided multi-lane print for independent print streams 有权

    公开(公告)号：US11034163B2

    公开(公告)日：2021-06-15

    申请号：US16605839

    申请日：2018-04-05

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

    Inventor： Frank Perdicaro ,  David C. Collins ,  Bruce A. Stephens

    IPC: B41J3/60 ,  B41J11/42 ,  G06K15/02

    Abstract: A printing device may include a processor to receive data describing a plurality of independent print streams comprising an image; for each of the plurality of independent print streams, emulate a first frame-less press using gapless frames on a first side of a medium upon execution of a framing module wherein each of the images of the independent print streams comprise an emulated spitgap; for each of the plurality of independent print streams, emulating a second frame-less press using gapless frames on a second side of the medium with the framing module, wherein an emulated spitgap associated with each of the images of the second side of the medium is to be geometrically adjusted to match a position on the medium of an image on the first side of the medium.

    TWO-SIDED MULTI-LANE PRINT FOR INDEPENDENT PRINT STREAMS
    6.
    发明申请
    TWO-SIDED MULTI-LANE PRINT FOR INDEPENDENT PRINT STREAMS 有权

    公开(公告)号：US20210122170A1

    公开(公告)日：2021-04-29

    申请号：US16605839

    申请日：2018-04-05

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

    Inventor： Frank Perdicaro ,  David C. Collins ,  Bruce A. Stephens

    IPC: B41J3/60 ,  B41J11/42 ,  G06K15/02

    Abstract: A printing device may include a processor to receive data describing a plurality of independent print streams comprising an image; for each of the plurality of independent print streams, emulate a first frame-less press using gapless frames on a first side of a medium upon execution of a framing module wherein each of the images of the independent print streams comprise an emulated spitgap; for each of the plurality of independent print streams, emulating a second frame-less press using gapless frames on a second side of the medium with the framing module, wherein an emulated spitgap associated with each of the images of the second side of the medium is to be geometrically adjusted to match a position on the medium of an image on the first side of the medium.

    Printing on a media web
    8.
    发明授权
    Printing on a media web 有权
    在媒体网络上打印

    公开(公告)号：US09539829B2

    公开(公告)日：2017-01-10

    申请号：US15032967

    申请日：2013-10-31

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

    Inventor： Bruce A. Stephens ,  David C. Collins

    IPC: B41J29/393 ,  B41J13/00 ,  B41J2/01

    CPC classification number: B41J13/0009 ,  B41J2/01 ,  B41J3/60 ,  B41J11/46

    Abstract: According to an example, printing on a media web may include outputting a first instruction to print a first frame on the media web. A first encoder count of an encoder may be determined between a first alignment mark and an end of frame for the first frame. Additionally, a second encoder count of the encoder may be determined between the first alignment mark for the first frame and a second alignment mark for a second frame. A difference value may then be calculated between the first encoder count and the second encoder count. Based on the difference value, a scaling factor of the encoder may be determined. Accordingly, another instruction may be output to print another frame on the media web based on the scaling factor.

    Abstract translation: 根据示例，在媒体网络上的打印可以包括输出第一指令以在媒体网上打印第一帧。 编码器的第一编码器计数可以在第一对准标记和第一帧的帧结束之间确定。 此外，可以在第一帧的第一对准标记和第二帧的第二对准标记之间确定编码器的第二编码器计数。 然后可以在第一编码器计数和第二编码器计数之间计算差值。 基于差值，可以确定编码器的缩放因子。 因此，可以输出另一指令以基于缩放因子来打印媒体网络上的另一帧。

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