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    FLUID EJECTION APPARATUS WITH SINGLE POWER SUPPLY CONNECTOR
    21.
    发明申请
    FLUID EJECTION APPARATUS WITH SINGLE POWER SUPPLY CONNECTOR 有权
    具有单电源连接器的流体喷射装置

    公开(公告)号：US20170021617A1

    公开(公告)日：2017-01-26

    申请号：US15039374

    申请日：2013-11-27

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

    Inventor： Adam L. Ghozeil ,  David Maxfield ,  Peter James Fricke

    IPC: B41J2/14

    CPC classification number: B41J2/1433 ,  B41J2/04541 ,  B41J2/0458 ,  B41J2/14072 ,  B41J2002/14491

    Abstract: An example provides a fluid ejection apparatus including a fluid feed slot along a length of a print head die of the fluid ejection apparatus to supply a fluid to a plurality of drop ejectors, control circuitry adjacent to at least one side of the fluid feed slot to control ejection of drops of fluid from the plurality of drop ejectors, and a single power supply connector at an end of the print head die to supply power to the control circuitry.

    Abstract translation: 一个实例提供了一种流体喷射装置，其包括沿着流体喷射装置的打印头模具的长度的流体供给槽，以将流体供应到多个液滴喷射器，与流体供给槽的至少一侧相邻的控制电路 控制多个液滴喷射器中的液滴的喷射，以及在打印头模具的端部处的单个电源连接器，以向控制电路供电。

    Fluid ejection apparatuses including a substrate with a bulk layer and a epitaxial layer
    23.
    发明授权
    Fluid ejection apparatuses including a substrate with a bulk layer and a epitaxial layer 有权
    流体喷射装置包括具有本体层和外延层的衬底

    公开(公告)号：US09457571B2

    公开(公告)日：2016-10-04

    申请号：US14890551

    申请日：2013-06-28

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

    Inventor： Ning Ge ,  Chaw Sing Ho ,  Adam L. Ghozeil ,  Michael W. Cumbie

    IPC: B41J2/145 ,  B41J2/16 ,  B41J2/14

    CPC classification number: B41J2/145 ,  B41J2/14 ,  B41J2/14016 ,  B41J2/14129 ,  B41J2/1603 ,  B41J2/162 ,  B41J2/1626 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2202/13

    Abstract: Examples of fluid ejection apparatuses and methods for making fluid ejection apparatuses are described. An example method may include forming a fluid feed slot in a bulk layer of a substrate, forming a plurality of ink feed channels in at least an epitaxial layer of the substrate, each of the ink feed channels fluidically coupled to the fluid feed slot, and forming a plurality of drop generators over the substrate such that the epitaxial layer of the substrate is between the plurality of drop generators and the bulk layer and such that the each of the drop generators is fluidically coupled to the fluid feed slot by at least one of the ink feed channels.

    Abstract translation: 对流体喷射装置和制造流体喷射装置的方法进行说明。 一个示例性方法可以包括在衬底的本体层中形成流体馈送槽，在衬底的至少外延层中形成多个供墨通道，每个供墨通道流体耦合到流体供给槽，以及 在所述衬底上形成多个液滴发生器，使得所述衬底的所述外延层位于所述多个液滴发生器和所述主体层之间，并且使得所述液滴发生器中的每一个通过以下中的至少一个流体耦合到所述流体供给槽 供墨通道。

    Method and apparatus to regulate temperature of printheads
    25.
    发明授权
    Method and apparatus to regulate temperature of printheads 有权

    公开(公告)号：US10421273B2

    公开(公告)日：2019-09-24

    申请号：US16161399

    申请日：2018-10-16

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

    Inventor： Andrew L. Van Brocklin ,  Mark Hunter ,  Peter James Fricke ,  Adam L. Ghozeil ,  James Michael Gardner

    IPC: B41J2/045 ,  B41J2/195

    Abstract: In some examples, a method of regulating a temperature of a printhead includes charging, in a first state of a temperature regulator, an analog memory to a reference voltage that corresponds to a predetermined temperature of the printhead. The temperature regulator monitors, during a second state, the temperature of the printhead, the monitoring including measuring a thermal voltage representing an actual temperature of at least a first local area of a plurality of local areas of the printhead, and comparing, with a comparator, the reference voltage to the thermal voltage to obtain a comparison result for at least the first local area. Based on the comparison result, a series of warming pulses from a warming pulse circuit to at least the first local area is selectively enabled.

    PRINTHEAD EMPLOYING DATA PACKETS INCLUDING ADDRESS DATA
    27.
    发明申请
    PRINTHEAD EMPLOYING DATA PACKETS INCLUDING ADDRESS DATA 审中-公开

    公开(公告)号：US20190061347A1

    公开(公告)日：2019-02-28

    申请号：US16156950

    申请日：2018-10-10

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

    Inventor： Chris Bakker ,  Eric Martin ,  Adam L. Ghozeil

    IPC: B41J2/045 ,  B41J2/18 ,  B41J2/175

    CPC classification number: B41J2/04588 ,  B41J2/04541 ,  B41J2/0455 ,  B41J2/0458 ,  B41J2/04581 ,  B41J2/04585 ,  B41J2/175 ,  B41J2/17546 ,  B41J2/18

    Abstract: A print component includes an address line, data lines, a fire pulse line, and a plurality of primitives, each primitive corresponding to a different data line and including a plurality of activation devices each corresponding to a different address of a set of addresses. A buffer receives data packets each including address data representative of an address of the set of addresses and print data for each primitive, places the print data on the respective data line of the corresponding primitive, and directs the address data to address logic which encodes the address data onto the address line in the order of reception of the address data by the buffer via the data packets. For each primitive, the activation device corresponding to the address on the address line activates a corresponding primitive function based on the corresponding print data when a fire pulse is present on the fire pulse line.

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