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    Alignment circuits
    2.
    发明授权
    Alignment circuits 有权

    公开(公告)号：US11541661B2

    公开(公告)日：2023-01-03

    申请号：US17049482

    申请日：2018-07-13

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

    Inventor： Duane A Koehler

    IPC: B41J2/175

    Abstract: In some examples an imaging device can include a fill port to receive a colorant container including an alignment circuit, a controller including a processing resource and memory resource including a non-transitory computer-readable instructions executable by the processing resource to detect a presence of a colorant container in a fill port of an imaging device, responsive to detection of the colorant container in the fill port, detect if the colorant container is properly inserted in the fill port, and cause a fill process to initiate responsive to detection that the colorant container is properly inserted.

    ALIGNMENT CIRCUITS
    4.
    发明申请
    ALIGNMENT CIRCUITS 有权

    公开(公告)号：US20210046758A1

    公开(公告)日：2021-02-18

    申请号：US17049482

    申请日：2018-07-13

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

    Inventor： Duane A Koehler

    IPC: B41J2/175

    Abstract: In some examples an imaging device can include a fill port to receive a colorant container including an alignment circuit, a controller including a processing resource and memory resource including a non-transitory computer-readable instructions executable by the processing resource to detect a presence of a colorant container in a fill port of an imaging device, responsive to detection of the colorant container in the fill port, detect if the colorant container is properly inserted in the fill port, and cause a fill process to initiate responsive to detection that the colorant container is properly inserted.

    PAUSE START-UP ROUTINE OF IMAGING DEVICE
    5.
    发明申请
    PAUSE START-UP ROUTINE OF IMAGING DEVICE 审中-公开

    公开(公告)号：US20200070500A1

    公开(公告)日：2020-03-05

    申请号：US16609526

    申请日：2017-05-01

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

    Inventor： Duane A Koehler ,  Robert Yraceburu ,  James M Brenner

    IPC: B41J2/045 ,  B41J2/315

    Abstract: Examples disclosed herein relate to an imaging device. Examples include a method for increasing the temperature of the imaging device by determining an internal temperature of the imaging device; determining if a start-up routine is to be initiated; pausing the start-up routine if the internal temperature is below a threshold temperature; and energizing at least one of a fan or heating element of the imaging device when the internal temperature is below the threshold temperature.

    AUXILIARY MODULE POWER SUPPLY
    6.
    发明申请
    AUXILIARY MODULE POWER SUPPLY 审中-公开

    公开(公告)号：US20200064896A1

    公开(公告)日：2020-02-27

    申请号：US16609529

    申请日：2017-05-01

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

    Inventor： Duane A Koehler ,  Kevin Lo ,  Benjamin Whitney Griffith

    IPC: G06F1/26 ,  B41J29/38

    Abstract: An example auxiliary module includes an external power supply interface to couple to an external power source, at least one subsystem to operate using power from the external power source, and a power controller coupled to the external power supply interface. The at least one subsystem is to receive control signals from a primary device. The power controller includes circuitry to provide power from the external power source to the at least one subsystem. The power controller is to further provide power control signals to the primary device.

    Controllers to adjust print speed
    7.
    发明授权
    Controllers to adjust print speed 有权
    控制器调整打印速度

    公开(公告)号：US09427991B1

    公开(公告)日：2016-08-30

    申请号：US14812605

    申请日：2015-07-29

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

    Inventor： Todd Goyen ,  Duane A Koehler ,  Matthew A. Shepherd

    IPC: B41J23/00

    CPC classification number: B41J23/00

    Abstract: An example device in accordance with an aspect of the present disclosure includes a controller to adjust print speed intra-page according to a response curve to substantially track a power curve of a power supply. The controller is to maximize print speed based on short-term energy data corresponding to present and future print data and long-term energy data corresponding to past print data, without exceeding a peak power output and a thermal limit of the power supply when printing according to the response curve.

    Abstract translation: 根据本公开的一个方面的示例性设备包括：控制器，用于根据响应曲线调整页内的打印速度，以基本上跟踪电源的功率曲线。 该控制器是基于与当前和将来的打印数据相对应的短期能量数据和对应于过去的打印数据的长期能量数据来最大化打印速度，而不超过峰值功率输出和打印时电源的热限制 到响应曲线。

    Power allocation in printing devices
    8.
    发明授权
    Power allocation in printing devices 有权

    公开(公告)号：US11231669B2

    公开(公告)日：2022-01-25

    申请号：US17250002

    申请日：2018-08-31

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

    Inventor： Duane A Koehler ,  Robert Yraceburu ,  Daniel James Magnusson

    IPC: G03G15/20 ,  G03G15/00

    Abstract: Power allocation in printing devices is disclosed. A first load request is received from a first heater system having a first thermal time constant and a second load request is received from a second heater system having a second thermal time constant. Power grants are allocated based on a general power arbitration of a power source in response to the independent load requests. The power grants include a first power grant based on the first load request and a second power grant based on the second load request. The power grants are adjusted to apportion a measure of the first power grant to the second power grant rather than provide the measure of the first power grant to the first heater system if a print substance density is within a selected print substance density threshold and the first load request is within a selected load threshold.

    CONDITIONERS
    9.
    发明申请
    CONDITIONERS 有权

    公开(公告)号：US20210240116A1

    公开(公告)日：2021-08-05

    申请号：US17049121

    申请日：2018-06-11

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

    Inventor： Duane A Koehler ,  Robert Yraceburu ,  Richard Lee Brinkly

    IPC: G03G15/20

    Abstract: A conditioner includes a pressure roller assembly, a heating element, a drive motor, a current sensor, a plurality of print media sensors, and a controller. The heating element heats the pressure roller assembly. The drive motor rotates the pressure roller assembly. The current sensor senses a current of the heating element. The plurality of print media sensors sense the movement of print media through the conditioner. The controller is to turn off the heating element in response to any one of detecting an anomaly in the sensed movement of the print media or detecting a sensed current outside a predetermined range.

    POWER ALLOCATION IN PRINTING DEVICES
    10.
    发明申请
    POWER ALLOCATION IN PRINTING DEVICES 有权

    公开(公告)号：US20210221151A1

    公开(公告)日：2021-07-22

    申请号：US15733800

    申请日：2018-08-31

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

    Inventor： Duane A Koehler ,  Robert Yraceburu ,  Daniel James Magnusson

    IPC: B41J11/00

    Abstract: Power allocation in printing devices is disclosed. Independent load requests are received from printing device heater systems including an independent load request is received from a printing device heater system of the printing device heater systems. A power allowance of an amount of a power output is allocated to the printing device heater system if a print substance density is outside a print substance density threshold and the independent load request is outside a load threshold.

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