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    • 2. 发明申请
    • FLOW-THROUGH EJECTION SYSTEM INCLUDING COMPLIANT MEMBRANE TRANSDUCER
    • 流通式喷射系统,包括合适的膜传感器
    • WO2012145277A1
    • 2012-10-26
    • PCT/US2012/033859
    • 2012-04-17
    • EASTMAN KODAK COMPANYKATERBERG, James, A.HUFFMAN, James, D.
    • KATERBERG, James, A.HUFFMAN, James, D.
    • B41J2/14
    • B41J2/14427B41J2002/14403B41J2002/14475B41J2202/12
    • A liquid dispenser (310) includes a substrate (339 ). A first portion of the substrate defines a liquid dispensing channel (312) including an outlet opening (326). A second portion of the substrate defines a liquid supply channel (311) and a liquid return channel (313). A liquid supply(324) provides a continuous flow of liquid from the liquid supply through the liquid supply channel through the liquid dispensing channel through the liquid return channel and back to the liquid supply. A diverter member (320), positioned on a wall (340) of the liquid dispensing channel that includes the outlet opening, is selectively actuatable to divert a portion of the liquid flowing through the liquid dispensing channel through outlet opening of the liquid dispensing channel. The diverter member includes a MEMS transducing member (120). A first portion of the MEMS transducing member is anchored to the wall of the liquid dispensing channel that includes the outlet opening. A second portion of the MEMS transducing member extends into a portion of the liquid dispensing channel that is adjacent to the outlet opening and is free to move relative to the outlet opening. A compliant membrane (130) is positioned in contact with the MEMS transducing member. A first portion of the compliant membrane separates the MEMS transducing member from the continuous flow of liquid through the liquid dispensing channel. A second portion of the compliant membrane is anchored to the wall of the liquid dispensing channel that includes the outlet opening.
    • 液体分配器(310)包括基底(339)。 衬底的第一部分限定了包括出口开口(326)的液体分配通道(312)。 衬底的第二部分限定液体供应通道(311)和液体返回通道(313)。 液体供应源324从液体供应通过液体供应通道通过液体分配通道通过液体返回通道提供连续的液体流并返回到液体供应源。 定位在包括出口开口的液体分配通道的壁(340)上的分流器构件(320)可选择性地致动,以便通过液体分配通道的出口将流过液体分配通道的液体的一部分转向。 分流器构件包括MEMS换能构件(120)。 MEMS转换构件的第一部分被锚定到包括出口开口的液体分配通道的壁。 MEMS转换构件的第二部分延伸到液体分配通道的与出口开口相邻并且相对于出口开口自由移动的部分。 柔性膜(130)被定位成与MEMS换能件接触。 柔性膜的第一部分将MEMS转换构件与液体通过液体分配通道的连续流动分离。 柔性膜的第二部分被锚固到包括出口开口的液体分配通道的壁上。
    • 3. 发明申请
    • LIQUID EJECTION USING DROP CHARGE AND MASS
    • 使用DROP CHARGE和MASS的液体喷射
    • WO2012162354A1
    • 2012-11-29
    • PCT/US2012/039071
    • 2012-05-23
    • EASTMAN KODAK COMPANYPANCHAWAGH, Hrishikesh, V.MARCUS, Michael, AlanKATERBERG, James, A.
    • PANCHAWAGH, Hrishikesh, V.MARCUS, Michael, AlanKATERBERG, James, A.
    • B41J2/08B41J2/115
    • B41J2/08B41J2/115
    • A continuous liquid ejection system includes a liquid chamber in fluidic communication with a nozzle. The liquid chamber contains liquid under pressure sufficient to eject a liquid jet through the nozzle. A drop formation device is associated with the liquid jet. The drop forming device is actuatable to produce a modulation in the liquid jet to selectively cause portions of the liquid jet to break off into one or more pairs of drops traveling along a path. Each drop pair is separated on average by a drop pair period. Each drop pair includes a first drop and a second drop. The drop formation device is also actuatable to produce a modulation in the liquid jet to selectively cause portions of the liquid jet to break off into one or more third drops traveling along the path separated on average by the same drop pair period. The third drop is larger than the first drop and the second drop. A charging device includes a charge electrode associated with the liquid jet and a source of varying electrical potential between the charge electrode and the liquid jet. The source of varying electrical potential provides a waveform that includes a period that is equal to the period of formation of the drop pairs or the third drops, the drop pair period. The waveform also includes a first distinct voltage state and a second distinct voltage state. The charging device and the drop formation device are synchronized to produce a first charge to mass ratio on the first drop of the drop pair, a second charge to mass ratio on the second drop of the drop pair, and a third charge to mass ratio on the third drop. The third charge to mass ratio is substantially the same as the first charge to mass ratio. A deflection device causes the first drop of the drop pair having the first charge to mass ratio to travel along a first path, and causes the second drop of the drop pair having the second charge to mass ratio to travel along a second path, and causes the third drop having a third charge to mass ratio to travel along a third path. The third path is substantially the same as the first path.
    • 连续的液体喷射系统包括与喷嘴流体连通的液体室。 液体室包含在足以喷射通过喷嘴的液体射流的压力下的液体。 液滴形成装置与液体射流相关联。 液滴形成装置可致动以在液体射流中产生调制,以选择性地使液体射流的一部分分解成沿着路径行进的一对或多个液滴。 每个投降对平均分离出一个下降对周期。 每个滴液滴包括第一滴和第二滴。 液滴形成装置还可致动以在液体射流中产生调制,以选择性地使液体射流的一部分分解成沿着平均间隔相同丢失对周期的路径行进的一个或多个第三滴。 第三滴大于第一滴和第二滴。 充电装置包括与液体射流相关联的充电电极和在充电电极和液体射流之间具有变化的电势的源。 变化电位的源提供一个波形,该波形包括一个周期,该周期等于滴形对或第三滴的形成周期,即降落对周期。 波形还包括第一不同电压状态和第二不同电压状态。 充电装置和液滴形成装置被同步,以在液滴对的第一滴上产生第一质量比,在液滴对的第二滴上具有第二质量比,以及第三次质量比对 第三滴。 第三充电质量比基本上与第一充电质量比相同。 偏转装置使得具有第一充电质量比的液滴对的第一液滴沿着第一路径行进,并且使具有第二电荷质量比的液滴对的第二滴沿着第二路径行进,并且导致 所述第三液滴具有沿着第三路径行进的第三质量比。 第三路径与第一路径基本相同。
    • 4. 发明申请
    • LIQUID EJECTION SYSTEM INCLUDING DROP VELOCITY MODULATION
    • 液滴喷射系统,包括液滴速度调节
    • WO2012162082A1
    • 2012-11-29
    • PCT/US2012/038298
    • 2012-05-17
    • EASTMAN KODAK COMPANYPANCHAWAGH, Hrishikesh, V.MARCUS, Michael, AlanKATERBERG, James, A.LOPEZ, Ali, GerardoADIGA, Shashishekar, P.GRACE, Jeremy, Matthew
    • PANCHAWAGH, Hrishikesh, V.MARCUS, Michael, AlanKATERBERG, James, A.LOPEZ, Ali, GerardoADIGA, Shashishekar, P.GRACE, Jeremy, Matthew
    • B41J2/105B41J2/21
    • B41J2/105B41J2/07B41J2202/06
    • A continuous liquid ejection system includes a liquid chamber in fluidic communication with a nozzle. The liquid chamber contains liquid under pressure sufficient to eject a liquid jet through the nozzle. A drop formation device is associated with the liquid jet and is actuatable to produce a modulation in the liquid jet that cause portions of the liquid jet to break off into a series of drop pairs traveling along a path. Each drop pair is separated in time on average by a drop pair period. Each drop pair includes a first drop and a second drop. A charging device includes a charge electrode associated with the liquid jet and a source of varying electrical potential between the charge electrode and the liquid jet. The source of varying electrical potential provides a waveform that includes a period that is equal to the drop pair period. The waveform also includes a first distinct voltage state and a second distinct voltage state. The charging device is synchronized with the drop formation device to produce a first charge state on the first drop and to produce a second charge state on the second drop. A drop velocity modulation device varies a relative velocity of a first drop and a second drop of a selected drop pair to control whether the first drop and the second drop of the selected drop pair combine with each other to form a combined drop. The combined drop has a third charge state. A deflection device causes the first drop having the first charge state to travel along a first path, causes the second drop having the second charge state to travel along a second path, and causes the combined drop having the third charge state to travel along a third path.
    • 连续的液体喷射系统包括与喷嘴流体连通的液体室。 液体室包含在足以喷射通过喷嘴的液体射流的压力下的液体。 液滴形成装置与液体射流相关联并且可致动以在液体射流中产生调制,使得液体射流的一部分分解成沿着路径行进的一系列滴滴对。 每个放置对在时间上平均分离一个下降对周期。 每个滴液滴包括第一滴和第二滴。 充电装置包括与液体射流相关联的充电电极和在充电电极和液体射流之间具有变化的电势的源。 变化电位的源提供包括等于丢失对周期的周期的波形。 波形还包括第一不同电压状态和第二不同电压状态。 充电装置与液滴形成装置同步,以在第一液滴上产生第一充电状态,并在第二液滴上产生第二充电状态。 液滴速度调制装置改变所选择的液滴对的第一液滴和第二液滴的相对速度,以控制所选择的液滴对的第一液滴和第二液滴是否彼此结合以形成组合液滴。 组合液滴具有第三次充电状态。 偏转装置使得具有第一充电状态的第一液滴沿着第一路径行进,使得具有第二充电状态的第二液滴沿着第二路径行进,并且使具有第三充电状态的组合液滴沿着第三通道 路径。
    • 5. 发明申请
    • FLOW-THROUGH EJECTION SYSTEM INCLUDING COMPLIANT MEMBRANE TRANSDUCER
    • 流通式喷射系统,包括合适的膜传感器
    • WO2012145166A1
    • 2012-10-26
    • PCT/US2012/032074
    • 2012-04-04
    • EASTMAN KODAK COMPANYELLINGER, Carolyn, R.KATERBERG, James, A.HUFFMAN, James, D.
    • ELLINGER, Carolyn, R.KATERBERG, James, A.HUFFMAN, James, D.
    • B41J2/14
    • B41J2/14282B41J2/14427B41J2002/14403B41J2202/12
    • A liquid dispenser (310) includes a substrate (339 ). A first portion of the substrate defines a liquid dispensing channel (312) including an outlet opening (326). A second portion of the substrate defines an outer boundary of a cavity(390). Other portions of the substrate define a liquid supply channel (311) and a liquid return channel (313). A liquid supply(324) provides a continuous flow of liquid from the liquid supply through the liquid supply channel through the liquid dispensing channel through the liquid return channel and back to the liquid supply. A diverter member (320) is selectively actuatable to divert a portion of the liquid flowing through the liquid dispensing channel through outlet opening of the liquid dispensing channel. The diverter member includes a MEMS transducing member. A first portion of the MEMS transducing member is anchored to the substrate. A second portion of the MEMS transducing member extends over at least a portion of the cavity and is free to move relative to the cavity. A compliant membrane (130) is positioned in contact with the MEMS transducing member. A first portion of the compliant membrane covers the MEMS transducing member. A second portion of the compliant membrane is anchored to the substrate such that the compliant membrane forms a portion of a wall of the liquid dispensing channel. The wall is positioned opposite the outlet opening.
    • 液体分配器(310)包括基底(339)。 衬底的第一部分限定了包括出口开口(326)的液体分配通道(312)。 衬底的第二部分限定空腔的外边界(390)。 衬底的其他部分限定了液体供应通道(311)和液体返回通道(313)。 液体供应源324从液体供应通过液体供应通道通过液体分配通道通过液体返回通道提供连续的液体流并返回到液体供应源。 分流器构件(320)可选择性地致动,以使流过液体分配通道的液体的一部分通过液体分配通道的出口开口转向。 分流器构件包括MEMS换能构件。 MEMS转换构件的第一部分被锚定到基底。 MEMS转换构件的第二部分在空腔的至少一部分上延伸并且相对于空腔自由移动。 柔性膜(130)被定位成与MEMS换能件接触。 柔性膜的第一部分覆盖MEMS换能构件。 柔性膜的第二部分锚固到基底上,使得柔顺膜形成液体分配通道的壁的一部分。 墙壁位于出口开口对面。