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    • 51. 发明申请
    • CONTROL ELEMENT FOR PRINTED DROP DENSITY RECONFIGURATION
    • 印刷液体密度重新配置的控制元件
    • US20130194330A1
    • 2013-08-01
    • US13358548
    • 2012-01-26
    • James A. KaterbergRonald J. DukeGilbert A. Hawkins
    • James A. KaterbergRonald J. DukeGilbert A. Hawkins
    • B41J29/38
    • B41J2/105B41J2002/031
    • A continuous printing system includes a printhead and a controller. The printhead includes a nozzle and a jet control element including a continuous heater element positioned to surround the nozzle. A plurality of three or more electrical contacts is in electrical communication with the continuous heater element and define a plurality of three or more continuous heater element portions that are actuatable with sufficient independence so as to control jet steering. The number of the continuous heater element portions equals the number of electrical contacts. A controller is configured to apply a waveform to at least one of the plurality of three or more electrical contacts to affect at least one of the plurality of independently actuatable continuous heater element portions.
    • 连续打印系统包括打印头和控制器。 打印头包括喷嘴和喷射控制元件,其包括定位成围绕喷嘴的连续加热器元件。 多个三个或更多个电触头与连续加热器元件电连通并且限定多个三个或更多个连续的加热器元件部分,其可以足够独立地致动以控制喷射转向。 连续加热器元件部分的数量等于电触头的数量。 控制器被配置为将波形施加到所述多个三个或更多个电触点中的至少一个,以影响所述多个可独立致动的连续加热元件部分中的至少一个。
    • 53. 发明授权
    • Device including moveable portion for controlling fluid
    • 装置包括用于控制流体的可移动部分
    • US08011764B2
    • 2011-09-06
    • US12420837
    • 2009-04-09
    • Gilbert A. HawkinsZhanjun GaoYonglin XieEdward P. FurlaniKam C. Ng
    • Gilbert A. HawkinsZhanjun GaoYonglin XieEdward P. FurlaniKam C. Ng
    • B41J2/02
    • F17D1/14Y10T137/0324Y10T137/7837
    • A device and a method of controlling fluid flow are provided. The method includes providing a moving fluid including a fluid flow characteristic; providing a fluid control device including a fluid control surface, a portion of the fluid control surface being moveable; causing the fluid to contact the fluid control surface of the fluid control device; and causing the fluid to interact with the fluid control surface of the fluid control device by moving the moveable portion of the fluid control surface while the fluid is in contact with the fluid control surface such that the fluid flow characteristic of the fluid after interacting with the fluid control surface of the fluid control device is different from the fluid flow characteristic of the fluid before interaction with the fluid control surface of the fluid control device depending on the position of the moveable portion of the fluid control surface.
    • 提供了一种控制流体流动的装置和方法。 该方法包括提供包括流体流动特征的移动流体; 提供包括流体控制表面的流体控制装置,所述流体控制表面的一部分是可移动的; 使流体接触流体控制装置的流体控制表面; 并且当所述流体与所述流体控制表面接触时,通过移动所述流体控制表面的可移动部分,使所述流体与所述流体控制装置的流体控制表面相互作用,使得在与所述流体控制表面相互作用之后所述流体的流体流动特性 根据流体控制表面的可移动部分的位置,流体控制装置的流体控制表面不同于与流体控制装置的流体控制表面相互作用之前的流体的流体流动特性。
    • 54. 发明授权
    • Continuous printing using temperature lowering pulses
    • 使用降温脉冲进行连续打印
    • US07988250B2
    • 2011-08-02
    • US12903244
    • 2010-10-13
    • Gilbert A. HawkinsSiddhartha GhoshChristopher N. DelametterEdward P. Furlani
    • Gilbert A. HawkinsSiddhartha GhoshChristopher N. DelametterEdward P. Furlani
    • B41J29/38B41J29/377B41J2/165B41J2/14B41J2/05B41J2/07B41J2/02B41J2/085
    • B41J2/03B41J2002/022
    • A printer includes a printhead and a source of liquid. The printhead includes a nozzle bore. The liquid is under pressure sufficient to eject a column of the liquid through the nozzle bore. The liquid has a temperature. A thermal modulator is associated with the nozzle bore. The thermal modulator is operable to transiently lower the temperature of the liquid as the liquid is ejected through the nozzle bore. An electrical pulse source is in electrical communication with the thermal modulator. The electrical pulse source is operable to provide a series of pulses to the thermal modulator that control the transient temperature lowering of the liquid. The series of pulses includes a first pulse applied at a first power level for transferring heat to the liquid, a second pulse applied at a second power level for transferring heat to the liquid, and a third pulse applied at a third power level for transferring heat to the liquid. The third power level is in between the first power level and the second power level.
    • 打印机包括打印头和液体源。 打印头包括喷嘴孔。 液体的压力足以通过喷嘴孔喷出液体柱。 液体有一个温度。 热调制器与喷嘴孔相关联。 热调制器可操作以在液体通过喷嘴孔喷出时瞬时降低液体的温度。 电脉冲源与热调制器电连通。 电脉冲源可操作以向控制瞬态温度降低的热调制器提供一系列脉冲。 所述一系列脉冲包括以第一功率电平施加的用于将热量传送到液体的第一脉冲,以第二功率电平施加的用于将热传递到液体的第二脉冲,以及以第三功率电平施加以传递热量的第三脉冲 到液体。 第三功率电平处于第一功率电平和第二功率电平之间。
    • 55. 发明申请
    • DEVICE FOR CONTROLLING FLUID VELOCITY
    • 用于控制流体速度的装置
    • US20100259585A1
    • 2010-10-14
    • US12420842
    • 2009-04-09
    • Gilbert A. HawkinsZhanjun GaoYonglin XieEdward P. FurlaniKam C. Ng
    • Gilbert A. HawkinsZhanjun GaoYonglin XieEdward P. FurlaniKam C. Ng
    • B41J2/07
    • B41J2/07B41J2/09B41J2/095
    • A device and a method of controlling fluid flow are provided. The method includes providing a moving fluid including a fluid flow velocity characteristic; providing a fluid control device including a fluid control surface, the fluid control surface including a pattern that changes the velocity of the fluid; and causing the fluid to interact with the fluid control surface of the fluid control device using the pattern of the fluid control surface while the fluid is in contact with the pattern of the fluid control device such that the fluid flow velocity characteristic of the fluid after interacting with the fluid control surface of the fluid control device is different from the fluid flow velocity characteristic of the fluid before interaction with the fluid control surface of the fluid control device.
    • 提供了一种控制流体流动的装置和方法。 该方法包括提供包括流体流速特性的运动流体; 提供包括流体控制表面的流体控制装置,所述流体控制表面包括改变流体速度的图案; 并且当所述流体与所述流体控制装置的图案接触时,使所述流体与所述流体控制装置的所述流体控制表面相互作用,使用所述流体控制表面的图案,使得所述流体在相互作用之后的流体流动速度特性 流体控制装置的流体控制表面与流体控制装置的流体控制表面相互作用之前的流体的流体流速特性不同。
    • 57. 发明申请
    • MEMS PRINTHEAD BASED COMPRESSED FLUID PRINTING SYSTEM
    • 基于MEMS PRINTHEAD的压缩流体打印系统
    • US20090079783A1
    • 2009-03-26
    • US11860820
    • 2007-09-25
    • Rajesh V. MehtaMichael A. MarcusRuizheng WangGilbert A. Hawkins
    • Rajesh V. MehtaMichael A. MarcusRuizheng WangGilbert A. Hawkins
    • B41J2/015
    • B41J2/015B41J2/04
    • A method and apparatus for delivering a mixture of compressed fluid and marking material and depositing the marking material in a pattern onto a substrate, includes a high pressure source of a mixture of compressed fluid and marking material. A micro-machined manifold includes a plurality of micro-nozzles, a fluid chamber, and an entrance port with portions of a first surface of the micro-machined manifold defining the entrance port with the entrance port being connected in fluid communication with the fluid chamber. Each of the micro-nozzles having an inlet and an outlet with the inlet being connected in fluid communication with the fluid chamber and the outlet being located on the second surface of the micro-machined manifold. Each micro-nozzle is shaped to produce a directed beam of the mixture of compressed fluid and marking material beyond the outlet of the micro-nozzle. A housing is connected in fluid communication with the high pressure source and the entrance port of the micro-machined manifold with the connection being a sealed connection. Optionally, a device operable to capture marking material that does not adhere to the substrate can be included.
    • 用于输送压缩流体和标记材料的混合物并将标记材料以图案沉积到基底上的方法和装置包括压缩流体和标记材料的混合物的高压源。 微加工歧管包括多个微喷嘴,流体室和入口,其中微加工歧管的第一表面的部分限定入口,入口与流体室流体连通地连接 。 每个微喷嘴具有入口和出口,入口与流体室流体连通并且出口位于微加工歧管的第二表面上。 每个微型喷嘴被成形为产生压缩流体和标记材料的混合物的定向束超过微喷嘴的出口。 壳体与微加工歧管的高压源和入口端口流体连通,连接是密封连接的。 可选地,可以包括可操作以捕获不粘附到基底的标记材料的装置。
    • 58. 发明申请
    • OUTPUT IMAGE PROCESSING FOR SMALL DROP PRINTING
    • 用于小幅打印的输出图像处理
    • US20080143766A1
    • 2008-06-19
    • US11612694
    • 2006-12-19
    • Gilbert A. HawkinsDouglas W. CouwenhovenBradley A. PhillipsStephen F. Pond
    • Gilbert A. HawkinsDouglas W. CouwenhovenBradley A. PhillipsStephen F. Pond
    • B41J29/38
    • B41J2/2128B41J2/03B41J2/075B41J2/175B41J2/185B41J2002/022B41J2002/031B41J2002/033
    • A method of forming a liquid pattern according to liquid pattern data on a receiving medium using a liquid drop emitter that emits a continuous stream of liquid from a nozzle that is broken into drops of predetermined volumes by the application of drop forming energy pulse is disclosed comprising associating a pixel area of the recording medium with a nozzle and a time interval during which a plurality of fluid drops ejected from the nozzle can impinge the pixel area of the recording medium. The time interval is divided into a plurality of subintervals that are, in turn, grouped into a plurality of blocks. Each block is defined as a printing block or a non-printing block. A drop forming energy pulse is provided between each pair of consecutive blocks and between the subintervals of each printing block. No drop forming energy pulses are provided between the subintervals of the non-printing blocks. The so-formed energy pulse sequence is applied to the stream of liquid causing the formation of small print drops and large non-print drops. The liquid pattern is formed on the receiver of print drops comprised of liquid emitted during subintervals associated with printing blocks. The block configuration is designed to ensure that non-print drops have the proper volume. In an alternate set of embodiments, individual subintervals rather than blocks of subintervals are individually defined as print or non-print subintervals subject to a non-print drop rule that forces non-print drops to be formed of adequate volume for differentiation from print drops and a maximum drop rule that ensures that non-print drops are not too large to be reliably captured and guttered.
    • 公开了一种根据液体图案数据在接收介质上使用液滴发射器形成液体图案的方法,所述液滴发射器通过施加液滴形成能量脉冲从喷嘴发射连续的液体流,所述喷嘴被分解成预定体积的液滴,包括 将记录介质的像素区域与喷嘴相关联,并且从喷嘴喷射的多个流体液滴可以撞击记录介质的像素区域的时间间隔。 该时间间隔被分成多个子区间,它们又被分组成多个区块。 每个块被定义为打印块或非打印块。 在每对连续块之间和每个印刷块的子间隔之间提供液滴形成能量脉冲。 在非印刷块的子间隔之间不设置液滴形成能量脉冲。 如此形成的能量脉冲序列被施加到液体流,导致形成小的印刷滴和大的非印刷液滴。 液体图案形成在由与印刷块相关联的子间隔期间发射的液体的印刷液滴的接收器上。 块配置旨在确保非打印墨滴具有适当的体积。 在替代的一组实施例中,单独的子区间而不是子区段被单独地定义为经受非打印下拉规则的打印或非打印子区间,其强制非打印液滴由足够的体积形成以与印刷液滴区分开,并且 一个最大的丢弃规则,确保非打印滴不会太大,无法被可靠地捕获和排除。
    • 60. 发明授权
    • Suppression of artifacts in inkjet printing
    • 在喷墨打印中抑制文物
    • US07273269B2
    • 2007-09-25
    • US10903051
    • 2004-07-30
    • Gilbert A. HawkinsJames M. ChwalekStephen F. Pond
    • Gilbert A. HawkinsJames M. ChwalekStephen F. Pond
    • B41J29/38B41J2/02B41J2/07
    • B41J2/03B41J2002/022B41J2002/031B41J2002/033
    • A method of printing is provided. The method includes providing a travel path comprising a direction of motion of a printhead relative to a recording medium, the printhead having a linear array of nozzles positioned at a nonzero angle relative to the travel path; associating a pixel area of the recording medium with each nozzle of the linear array and a time interval during which a drop ejected from each nozzle can impinge the pixel area of the recording medium; dividing the time interval into a plurality of subintervals; grouping some of the plurality of subintervals into blocks; associating one of two labels with each block, the first label defining a printing drop, the second label defining non-printing drops; associating a drop forming pulse between consecutive selected subintervals of each block having the first label; associating a drop forming pulse between each subinterval of each block having the second label; associating a drop forming pulse between other subintervals, the drop forming pulse being between each pair of consecutive blocks; and causing drops to be ejected from each nozzle based on the associated drop forming pulses.
    • 提供了一种打印方法。 该方法包括提供包括打印头相对于记录介质的运动方向的行进路径,该打印头具有相对于行进路径定位成非零角度的线性排列阵列; 将记录介质的像素区域与线性阵列的每个喷嘴和从每个喷嘴喷射的液滴冲击记录介质的像素区域的时间间隔相关联; 将时间间隔划分成多个子区间; 将多个子间隔中的一些分成块; 将两个标签中的一个与每个块相关联,第一个标签定义打印滴,第二个标签定义非打印滴; 在具有第一标签的每个块的连续选择的子区间之间关联下降形成脉冲; 在具有第二标签的每个块的每个子间隔之间关联液滴形成脉冲; 在其他子间隔之间关联液滴形成脉冲,所述液滴形成脉冲在每对连续块之间; 并且基于相关联的液滴形成脉冲使液滴从每个喷嘴喷出。