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1. 发明申请

WO2019199316A1 FLUIDIC DIE PURGING 审中-公开
公开(公告)号：WO2019199316A1
公开(公告)日：2019-10-17
申请号：PCT/US2018/027354
申请日：2018-04-12
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： ANDERSON, Daryl, E. , MARTIN, Eric , GARDNER, James, Michael , ESTERRI PEDRA, Pere
IPC分类号： B41J2/215
摘要： A fluidic die may include a fluidic channel, and an electrode disposed within a fluidic channel of the fluidic die to determine if a difference between an initially-measured impedance and a subsequently-measured impedance as measured by the electrode indicates a completion of a purging of an initial fluid from the fluidic die and a replacement with a second fluid.

2. 发明申请

WO2019240758A1 THERMAL ZONE SELECTION WITH A SEQUENCER AND DECODERS 审中-公开
公开(公告)号：WO2019240758A1
公开(公告)日：2019-12-19
申请号：PCT/US2018/036907
申请日：2018-06-11
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： ANDERSON, Daryl, E. , MARTIN, Eric , GARDNER, James, Michael
IPC分类号： B41J2/05 , B41J2/14
摘要： Examples of a fluidic die for thermal zone selection with a sequencer and decoders are described herein. In some examples, the fluidic die includes multiple thermal zones. Each thermal zone includes a temperature sensor, a fluidic actuator and a decoder. The fluidic die also includes shared thermal control circuitry to process an output of the temperature sensor in a selected thermal zone. The fluidic die further includes a sequencer to output a sequence state to select one thermal zone at a time for processing by the shared thermal control circuitry. The decoder of the selected thermal zone decodes the sequence state.

3. 发明申请

WO2005071462A1 A TEMPERATURE COMPENSATED MEMS DEVICE 审中-公开
标题翻译：温度补偿MEMS器件
公开(公告)号：WO2005071462A1
公开(公告)日：2005-08-04
申请号：PCT/US2004/041859
申请日：2004-12-14
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. , ANDERSON, Daryl, E. , MARTIN, Eric, T.
发明人： ANDERSON, Daryl, E. , MARTIN, Eric, T.
IPC分类号： G02B26/08
CPC分类号： G09G3/3466 , G02B7/008 , G02B26/001 , G02B26/0841 , G09G2320/041
摘要： A micro-electromechanical system (MEMS) (100) includes a flexure (120, 220), a voltage generator, and a temperature sensor (270, 310, 510, 710) thermally coupled to the MEMS (100) , wherein the voltage generator is configured to produce a temperature compensated voltage in response to a thermal measurement performed by the temperature sensor (270, 310, 510, 710).
摘要翻译：微机电系统（MEMS）（100）包括热耦合到MEMS（100）的挠曲件（120,220），电压发生器和温度传感器（270,310,510,710），其中电压发生器被配置为响应于由温度传感器（270,310,510,710）进行的热测量而产生温度补偿电压。

4. 发明申请

WO2019147226A1 TEMPERATURE-BASED ACTUATOR EVALUATION 审中-公开
公开(公告)号：WO2019147226A1
公开(公告)日：2019-08-01
申请号：PCT/US2018/014953
申请日：2018-01-24
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： ANDERSON, Daryl, E. , FEINN, James, A. , MARTIN, Eric , GARDNER, James, Michael
IPC分类号： B41J2/175 , B41J29/393
摘要： In one example in accordance with the present disclosure, a fluidic system is described. The fluidic system includes a fluidic die. The fluidic die includes a substrate in which a number of fluid chambers are formed. Each fluid chamber includes a fluid actuator disposed within the fluid chamber. A number of actuator sensors are disposed on the substrate to output at least one value indicative of a sensed characteristic of fluid actuators. A number of substrate temperature sensors are also disposed on the substrate to sense a temperature for the substrate. An actuator evaluation device of the fluidic system determines a state of the fluid actuator based at least in part on the at least one value and at least one correction value associated with the temperature sensed by the number of substrate temperature sensors.

5. 发明申请

WO2017189011A1 DETECTING FLUID LEVELS USING A VARIABLE THRESHOLD VOLTAGE 审中-公开
标题翻译：使用可变门限电压检测流体液位
公开(公告)号：WO2017189011A1
公开(公告)日：2017-11-02
申请号：PCT/US2016/030255
申请日：2016-04-29
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： ANDERSON, Daryl, E. , CUMBIE, Michael, W. , GARDNER, James, Michael , FISHER, Berkeley
IPC分类号： B41J2/17 , B41J2/175 , B41J2/01 , B41J29/393
摘要： An example printing cartridge includes a sensing die including a plurality of sensing locations in thermal contact with a fluid container, an on-die controller to select a sensing location of the plurality of sensing locations to activate and to provide a variable threshold voltage, and a voltage comparator to compare a sensed voltage generated at a selected sensing location to the variable threshold voltage, and output time-based information based on the comparison, the time-based information representative of whether a fluid is present at a fluid level associated with the selected sensing location.
摘要翻译：示例性打印盒包括：感测管芯，包括与流体容器热接触的多个感测位置;片上控制器，选择多个感测位置中的感测位置以激活;以及提供可变阈值电压，以及电压比较器，用于将在选定感测位置处产生的感测电压与可变阈值电压进行比较，并基于比较结果输出基于时间的信息，所述基于时间的信息表示是否存在流体处于与所选感测位置相关的液体水平。

6. 发明申请

WO2009020915A1 A NOZZLE DISABLE SYSTEM AND A METHOD FOR DISABLING A SINGLE NOZZLE IN A THERMAL INK-JET PRINT HEAD 审中-公开
标题翻译：喷嘴灭菌系统和一种在喷墨打印头中消除单喷嘴的方法
公开(公告)号：WO2009020915A1
公开(公告)日：2009-02-12
申请号：PCT/US2008/072102
申请日：2008-08-04
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. , ANDERSON, Daryl, E. , HUNTER, Mark , LINN, Scott, A. , CLARK, Richard, R.
发明人： ANDERSON, Daryl, E. , HUNTER, Mark , LINN, Scott, A. , CLARK, Richard, R.
IPC分类号： B41J2/135 , B41J2/05
CPC分类号： B41J2/0458 , B41J2/0451 , B41J2/0455 , B41J2/04555 , B41J2/19
摘要： In one embodiment a nozzle disable system comprises: a thermal ink-jet print head having an array of nozzles; a heater element coupled to a single nozzle in the array of nozzles; a short detection circuit for the heater element, wherein the short detection circuit is configured to detect a short circuit in the heater element; and a fire control circuit configured to disable the heater element to provide a single disabled nozzle for a predetermined amount of time when the short detection circuit measures a short circuit in the heater element coupled to the single nozzle in the array of nozzles.
摘要翻译：在一个实施例中，喷嘴禁用系统包括：具有喷嘴阵列的热喷墨打印头; 耦合到喷嘴阵列中的单个喷嘴的加热器元件; 用于所述加热器元件的短路检测电路，其中所述短路检测电路被配置为检测所述加热器元件中的短路; 以及消防控制电路，其被配置为当所述短路检测电路测量与所述喷嘴阵列中的所述单个喷嘴连接的所述加热器元件中的短路时，禁止所述加热器元件提供单个禁用的喷嘴预定的时间量。

7. 发明申请

WO2006049752A1 SYSTEMS AND METHODS FOR WRITING DATA TO OPTICAL MEDIA USING PLURAL LASER HEADS 审中-公开
标题翻译：使用激光激光头将数据写入光学介质的系统和方法
公开(公告)号：WO2006049752A1
公开(公告)日：2006-05-11
申请号：PCT/US2005/034642
申请日：2005-09-28
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. , ANDERSON, Daryl, E. , VAN BROCKLIN, Andrew, L.
发明人： ANDERSON, Daryl, E. , VAN BROCKLIN, Andrew, L.
IPC分类号： G11B7/125 , G11B23/40 , G11B7/0037
CPC分类号： G11B7/127 , G11B7/0037 , G11B7/00456 , G11B7/14
摘要： A system for writing data on optical media (104) sequentially outputs the same data to an array of laser heads over time so that the laser heads generate laser beams (106) to write the same data to approximately the same location on the media (104).
摘要翻译：用于在光学介质（104）上写入数据的系统随着时间顺序地将相同的数据输出到激光头的阵列，使得激光头产生激光束（106）以将相同的数据写入介质上的大致相同的位置（104 ）。

8. 发明申请

WO2020204945A1 PRINT MATERIAL LEVEL SENSING 审中-公开
公开(公告)号：WO2020204945A1
公开(公告)日：2020-10-08
申请号：PCT/US2019/026105
申请日：2019-04-05
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： DAGG, Evan, Clay , ANDERSON, Daryl, E. , GARDNER, James, Michael
IPC分类号： B41J2/175 , G01F23/24
摘要： A print material level sensor comprises a series of print material level sensing devices disposed at intervals to detect presence of a print material at successive depth zones in a container, wherein each print material level sensing device includes a heater to emit heat at its depth zone and a sensor to sense heat at the depth zone and to output a signal based on the heat sensed. The sensor has control circuitry to, for each print material level sensing device to be calibrated, turn on the heater for an initial time duration set by an initial heat count and iteratively adjust the time duration for which the heater is turned on in accordance with an adjusted heat count, until the signal output from the sensor indicates that a target value has been reached in that depth zone.

9. 发明申请

WO2019194828A1 SENSE MEASUREMENTS FOR FLUIDIC ACTUATORS 审中-公开
公开(公告)号：WO2019194828A1
公开(公告)日：2019-10-10
申请号：PCT/US2018/026541
申请日：2018-04-06
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： MARTIN, Eric, T. , ANDERSON, Daryl, E. , PRZYBYLA, James, R.
IPC分类号： B41J2/04 , B41J2/175
摘要： In some examples, a system includes a device support to receive a fluid dispensing device, and a controller to identify, based on data controlling activation of fluidic actuators, a fluidic actuator that is to be activated in a first activation cycle of a group of activation cycles that correspond to activation intervals of respective fluidic actuators of a group of fluidic actuators of the fluid dispensing device, the identified fluidic actuator being part of the group of fluidic actuators. To perform a sense measurement for the identified fluidic actuator, the controller suppresses activation of the identified fluidic actuator in the first activation cycle, and causes activation of the identified fluidic actuator in a sense measurement cycle different from the first activation cycle, the sense measurement cycle being part of the group of activation cycles.

10. 发明申请

WO2018080539A1 FLUID EJECTION DEVICE COMBINING DRIVE BUBBLE DETECT AND THERMAL RESPONSE 审中-公开
标题翻译：流体喷射装置结合驱动泡检测和热响应
公开(公告)号：WO2018080539A1
公开(公告)日：2018-05-03
申请号：PCT/US2016/059702
申请日：2016-10-31
申请人： HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人： ANDERSON, Daryl, E. , MARTIN, Eric , GARDNER, James, Michael
IPC分类号： B41J2/04 , B41J2/07
摘要： A fluid ejection device with a fluid chamber including a vaporization chamber and a thermal drive bubble formation mechanism to vaporize a portion of a fluid in the vaporization chamber to form a drive bubble in response to a firing signal during a firing operation. A drive bubble detect sensor separate from the thermal drive bubble formation mechanism and in contact with fluid in the vaporization chamber, the drive bubble detect sensor to inject a fixed current through the vaporization chamber to generate a first voltage signal representing a voltage response of the vaporization chamber and indicative of drive bubble formation during the firing operation. A thermal sensor to generate a second voltage signal indicative of a thermal response of the vaporization chamber during the firing operation, the first and second voltage signals combined being representative of an operating condition of the fluid chamber.
摘要翻译：具有流体腔室的流体喷射装置，所述流体腔室包括蒸发腔室和热驱动气泡形成机构以蒸发所述蒸发腔室中的流体的一部分以响应于期间的点火信号而形成驱动气泡发射操作。驱动气泡检测传感器与热驱动气泡形成机构分离并且与汽化腔室中的流体接触，驱动气泡检测传感器通过汽化腔室注入固定电流以产生表示汽化的电压响应的第一电压信号并且指示在发射操作期间驱动气泡形成。一个热传感器，用于在点火操作期间产生表示蒸发室的热响应的第二电压信号，第一和第二电压信号组合表示流体室的工作状态。

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