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公开(公告)号：WO2020106288A1
公开(公告)日：2020-05-28
申请号：PCT/US2018/062239
申请日：2018-11-21
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： MARTIN, Eric T. , KORTHUIS, Vincent C.
IPC: B41J2/14 , B41J29/393
Abstract: In one example in accordance with the present disclosure, a fluidic die is described. The fluidic die includes an array of firing subassemblies grouped into zones. Each firing subassembly includes 1) a firing chamber, 2) a fluid actuator disposed, and 3) a sensor plate. The fluidic die also includes a measurement device per zone to determine a state of a selected sensor plate. The fluidic die includes a selector per firing subassembly to couple the selected sensor plate to the measurement device. The fluidic die also includes a transmission path between each selector and its corresponding sensor plate. A first transmission path for a particular sensor plate has physical properties such that a parasitic capacitance along the first transmission path corresponds to a parasitic capacitance for a second transmission path of a second sensor plate in the zone, regardless of a difference in transmission path length.
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公开(公告)号：WO2018136084A1
公开(公告)日：2018-07-26
申请号：PCT/US2017/014401
申请日：2017-01-20
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： MARTIN, Eric , KORTHUIS, Vincent C.
CPC classification number: B41J2/04541 , B41J2/0458 , B41J2/04581
Abstract: In some examples, a fluid ejection device includes a communication interface comprising a plurality of communication channel circuits capable of communicating over respective communication channels, and a configuration controller, responsive to an input, to selectively activate at least one communication channel circuit of the plurality of communication channel circuits, wherein different inputs to the configuration controller are to cause selective activation of different numbers of the plurality of communication channel circuits. The fluid ejection device further includes a nozzle controller responsive to data received through the activated at least one communication channel circuit to cause activation of at least one corresponding nozzle to eject fluid.
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公开(公告)号：WO2022025915A1
公开(公告)日：2022-02-03
申请号：PCT/US2020/044429
申请日：2020-07-31
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： MARTIN, Eric Thomas , CLARK, Garrett E. , SPENCER, Jeremy , KORTHUIS, Vincent C. , CICILI, Rogelio
Abstract: A fluidic die includes fluid-transfer elements, and a temperature sensor to monitor a temperature on the fluidic die. The fluidic die includes a trickle-warming circuit to warm fluid transferrable by the fluid-transfer elements, and a pulse-warming circuit to warm the fluid. A warming control circuit selectively activates the trickle-warming and pulse-warming circuits.
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公开(公告)号：WO2017074443A1
公开(公告)日：2017-05-04
申请号：PCT/US2015/058406
申请日：2015-10-30
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： KORTHUIS, Vincent C. , MARTIN, Eric T. , CUMBIE, Michael W. , LINN, Scott A.
CPC classification number: B41J2/14056 , B41J2/1404 , B41J2/175 , B41J2/17596 , B41J2002/14467 , B41J2202/11 , B41J2202/12
Abstract: According to an example, a printing system may include a drop ejecting element and a fluid circulating element corresponding to the drop ejecting element. The printing system may also include a logic device that is to receive a data stream addressed to the drop ejecting element, determine whether the data stream indicates that the drop ejecting element is to be energized, and in response to a determination that the data stream does not indicate that the drop ejecting element is to be energized, energize the fluid circulating element.
Abstract translation: 根据一个示例，印刷系统可以包括滴落喷射元件和与滴落喷射元件对应的流体循环元件。 打印系统还可以包括逻辑设备，该逻辑设备接收寻址到液滴喷射单元的数据流，确定数据流是否指示液滴喷射单元将被通电，并且响应于确定数据流确实 不表示滴液喷射元件要通电，给流体循环元件通电。
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公开(公告)号：WO2016085471A1
公开(公告)日：2016-06-02
申请号：PCT/US2014/067359
申请日：2014-11-25
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： KORTHUIS, Vincent C. , MAXFIELD, David , QUEISSER, Andreas H.
IPC: B41J2/175
CPC classification number: B41J2/17543 , B41J2/17546 , B41J2/17566 , B41J2002/17579
Abstract: A liquid propelling component includes a liquid channel, a circuit block. The circuit block includes a first conductor disposed in the liquid channel to be in contact with liquid in the channel and a second conductor insulated from liquid in the channel. The liquid propelling component further includes a memory storing a digital code that corresponds to an analogue value of the second conductor under a predefined charge.
Abstract translation: 液体推进部件包括液体通道，电路块。 电路块包括设置在液体通道中以与通道中的液体接触的第一导体和与通道中的液体绝缘的第二导体。 液体推进部件还包括存储在预定电荷下对应于第二导体的模拟值的数字代码的存储器。
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Patent Agency Ranking
公开(公告)号：WO2022150048A1
公开(公告)日：2022-07-14
申请号：PCT/US2021/012941
申请日：2021-01-11
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： KORTHUIS, Vincent C. , CICILI, Rogelio , MARTIN, Eric T. , JENSEN, Kellie Susanne , PRZYBYLA, James R.
Abstract: In some examples, a fluidic die includes fluidic actuators, switches, and electrically conductive lines in an electrically conductive layer of the fluidic die. The electrically conductive lines electrically connect the switches to respective fluidic actuators. A first dimension of a first electrically conductive line is different from a second dimension of a second electrically conductive line to match a first resistance of the first electrically conductive line having a first length to a second resistance of the second electrically conductive line having a second length different from the first length.
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公开(公告)号：WO2021126161A1
公开(公告)日：2021-06-24
申请号：PCT/US2019/066658
申请日：2019-12-16
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： MARTIN, Eric , KORTHUIS, Vincent C. , ANDERSON, Daryl Eugene
Abstract: A fluidic die includes a warming logic circuit, at least one fluid actuation device, and a control logic circuit. The warming logic circuit masks a fire signal with a clock signal to generate a warming signal. The control logic circuit is electrically coupled between the warming logic circuit and the at least one fluid actuation device to selectively pass the warming signal to the at least one fluid actuation device.
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公开(公告)号：WO2019013788A1
公开(公告)日：2019-01-17
申请号：PCT/US2017/041785
申请日：2017-07-12
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： LINN, Scott A. , KORTHUIS, Vincent C. , GARDNER, James M.
Abstract: A fluidic die may include a fluid actuator comprising an electrical resistor, a power node to supply electrical current to the resistor to drive the fluid actuator, a low side switch transistor connected to a ground node and having a gate to control the flow of electrical current through the resistor, a voltage regulator to receive electrical power from the power node and to output a predetermined voltage and a level shifter to control to output a low side switch transistor gate drive voltage using the predetermined voltage and based upon control signals to control the gate to control fluid displacement by the fluid actuator. The predetermined voltage is greater than a voltage of the control signals and is independent of a resistance of the ground node.
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公开(公告)号：WO2018067105A1
公开(公告)日：2018-04-12
申请号：PCT/US2016/055133
申请日：2016-10-03
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： MARTIN, Eric , KORTHUIS, Vincent C.
Abstract: In some examples, a fluid ejection device includes a nozzle to dispense fluid, and a recirculation controller to control recirculating of the nozzle. The recirculation controller is to receive, from a fluid ejection controller, an indication corresponding to a start of a sampling time interval, determine, during the sampling time interval, whether a firing event corresponding to firing of the nozzle has occurred, and in response to determining that the firing event has not occurred, cause activation of a recirculation pump to recirculate fluid through a chamber of the nozzle.
Abstract translation: 在一些示例中，流体喷射装置包括用于分配流体的喷嘴以及用于控制喷嘴的再循环的再循环控制器。 再循环控制器将从流体喷射控制器接收对应于采样时间间隔的开始的指示，在采样时间间隔期间确定是否发生了与喷嘴的点火相对应的点火事件，并且响应于 确定没有发生点火事件，导致再循环泵的启动以使流体再循环通过喷嘴的腔室。
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公开(公告)号：WO2021002869A1
公开(公告)日：2021-01-07
申请号：PCT/US2019/040600
申请日：2019-07-03
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： KORTHUIS, Vincent C. , WANG, Stanley Jon
IPC: B41J2/04
Abstract: Example implementations relate to fluid feed holes. For example, a method of forming a fluid feed hole can include forming a via of a threshold size in a plurality of thin films of a fluid ejection die by removing a portion of the plurality of thin films, forming a fluid-attack-resistant material on the plurality of thin films and in the via, planarizing the fluid-attack-resistant material using chemical mechanical planarization (CMP), and forming the fluid feed hole by removing a portion of the planarized fluid-attack-resistant material in the via.
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