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    • 1. 发明公开
    • Continuous ink jet printer with binary electrostatic deflection
    • 具有二元静电偏转的连续喷墨打印机
    • EP0911167A2
    • 1999-04-28
    • EP98203374.8
    • 1998-10-07
    • EASTMAN KODAK COMPANY
    • Chwalek, James MichaelJeanmaire, David Louis
    • B41J2/105
    • B41J2/03B41J2/105B41J2002/032B41J2202/16
    • Apparatus and process for controlling ink in a continuous ink jet printer in which a continuous stream (60) of ink is emitted from a nozzle includes a droplet generator (50) which causes the stream to break up into a plurality of droplets (67) with an adjustable drop break off position (69a) having at least a first drop break off position spaced from the nozzle and a second drop break off position spaced from the first drop break off position. A stream deflector adjacent to the stream between the first drop break off position and the second drop break off position controls the direction of the stream between a print direction and a non-print direction. A charging apparatus is associated with the ink delivery channel to electrically charge the ink stream. The stream deflector includes at least one deflection electrode (65); and a deflection control circuit (13) is adapted to apply a constant DC voltage to the deflection electrode to deflect droplets from one of the print and non-print directions to the other of the print and non-print directions.
    • 在连续喷墨打印机中控制墨水的设备和方法,其中从喷嘴喷射墨水的连续流(60)包括液滴发生器(50),该液滴发生器使液流分解成多个液滴(67) 具有至少一个与所述喷嘴间隔开的第一液滴分离位置和与所述第一液滴分离位置间隔开的第二液滴分离位置的可调节液滴分离位置(69a)。 位于第一液滴分离位置和第二液滴分离位置之间的与液流相邻的液流偏转器控制液流在印刷方向和非印刷方向之间的方向。 充电装置与油墨输送通道相关联以给墨流充电。 该流偏转器包括至少一个偏转电极(65); 并且偏转控制电路(13)适于向偏转电极施加恒定的DC电压,以将液滴从打印和非打印方向之一偏转到打印和非打印方向中的另一个方向。
    • 5. 发明公开
    • Continuous ink jet printer with asymmetric heating drop deflection
    • Kontinuierlicher Tintenstrahldrucker mit asymmetricrischer elektrostatischer Ablenkung
    • EP0911168A2
    • 1999-04-28
    • EP98203375.5
    • 1998-10-07
    • EASTMAN KODAK COMPANY
    • Chwalek, James MichaelJeanmaire, David LouisAnagnostopoulos, Constantine Nicholas
    • B41J2/105
    • B41J2/185B41J2/03B41J2/085B41J2/09B41J2/105B41J2002/032
    • Apparatus for controlling ink in a continuous ink jet printer includes an ink delivery channel (40); a source of pressurized ink (70) communicating with the ink delivery channel; a nozzle bore (46) which opens into the ink delivery channel to establish a continuous flow of ink in a stream (60), the nozzle bore defining a nozzle bore perimeter; and a droplet generator (50) which causes the stream to break up into a plurality of droplets (66) at a position spaced from the ink stream generator. The droplet generator includes a heater having a selectively-actuated section associated with only a portion of the nozzle bore perimeter, whereby actuation of the heater section produces an asymmetric application of heat to the stream to control the direction of the stream between a print direction and a non-print direction.
    • 用于控制连续喷墨打印机中的墨水的设备包括墨水输送通道(40); 与油墨输送通道连通的加压油墨源(70); 喷嘴孔(46),其通向油墨输送通道,以在流(60)中建立连续的油墨流,所述喷嘴孔限定喷嘴孔周边; 以及液滴发生器(50),其在与油墨发生器间隔开的位置处使流分解成多个液滴(66)。 液滴发生器包括加热器,该加热器具有仅与喷嘴孔周边的一部分相关联的选择性致动部分,由此加热器部分的致动产生热量对流的不对称施加,以控制流在打印方向和 非打印方向。
    • 6. 发明公开
    • Continuous ink jet printer with electrostatic drop deflection
    • 带有静电降落偏转的连续喷墨打印机
    • EP0911166A2
    • 1999-04-28
    • EP98203345.8
    • 1998-10-05
    • EASTMAN KODAK COMPANY
    • Chwalek, James MichaelAnagnostopoulos, Constantine Nicholas
    • B41J2/105
    • B41J2/09B41J2/03B41J2/085B41J2/105B41J2002/032B41J2202/16
    • Apparatus and process for controlling ink in a continuous ink jet printer in which a continuous stream (60) of ink is emitted from a nozzle includes an ink stream generator (50) which establishes a continuous flow of ink in a stream, the stream breaking up into a plurality of droplets (67) at a position spaced from the ink stream generator. A stream deflector adjacent to the stream between the ink stream generator and the position whereat the stream breaks up into droplets controls the direction of the stream between a print direction and a non-print direction. The apparatus may further include charging apparatus associated with the ink delivery channel to electrically charge the ink stream. The stream deflector includes at least one deflection electrode (65) and a deflection control circuit (13) adapted to selectively apply to the deflection electrode an electrical potential of a potential to deflect droplets from one of the print and non-print directions to the other of the print and non-print directions.
    • 在连续喷墨打印机中控制墨水的设备和方法,其中从喷嘴喷射墨水的连续流(60)包括墨流产生器(50),其建立流中墨水的连续流动, 在与油墨流产生器间隔开的位置处成为多个液滴(67)。 与墨流产生器和墨水流分成液滴的位置之间的流相邻的墨流偏转器控制墨流在打印方向和非打印方向之间的方向。 该设备可以进一步包括与油墨输送通道相关联的充电设备,以使油墨流充电。 所述流偏转器包括至少一个偏转电极(65)和偏转控制电路(13),所述偏转控制电路适于选择性地向所述偏转电极施加电势的电位以将液滴从所述印刷方向和所述非印刷方向中的一个偏转到另一个 的打印和非打印方向。
    • 9. 发明公开
    • Continuous ink jet print head having heater with symmetrical configuration
    • Kontinuierlicher Tintenstrahldruckkopf mit einer Heizvorrichtung mit对称机构
    • EP1060889A2
    • 2000-12-20
    • EP00201963.6
    • 2000-06-05
    • EASTMAN KODAK COMPANY
    • Hawkins, Gilbert AllanChwalek, James MichaelAnagnostopoulos, Constantine Nicholas
    • B41J2/02
    • B41J2/09B41J2/03B41J2/105B41J2002/032B41J2202/16
    • Apparatus for controlling an ink jet printer includes a substrate; an ink delivery channel below the substrate; and a nozzle bore through the substrate and opening into the ink delivery channel to establish an ink flow path. A resistive heater has an upper surface above the upper surface of the substrate and defines a symmetrical radially-outward heater perimeter edge. Ink tends to form a meniscus on the upper surface of the heater, the meniscus tending to pin at the heater perimeter edge. A plurality of electrodes make contact with the heater at spaced-apart positions below the perimeter edge. The ink may flow in a continuous stream from the nozzle bore. The heater defines a plurality of sections, each section having a pair of electrodes. The actuator is adapted to apply the power source across selected pairs of the electrodes such that actuation of only a portion of the heater sections produces an asymmetric application of heat to the stream to control the direction and the amount of deflection of the stream as a function of the activated heater sections.
    • 用于控制喷墨打印机的装置包括:基板; 在基底下方的墨水输送通道; 以及喷嘴孔穿过所述基底并且打开到所述墨水输送通道中以建立墨水流动路径。 电阻加热器在基板的上表面上方具有上表面,并且限定对称的径向向外的加热器周边边缘。 油墨倾向于在加热器的上表面上形成弯液面,弯月面倾向于在加热器周边边缘处引脚。 多个电极在周边边缘以下的间隔位置与加热器接触。 油墨可能以喷嘴孔的连续流动。 加热器限定多个部分,每个部分具有一对电极。 致动器适于将电源施加在选定的电极对上,使得只有一部分加热器部分的致动产生热量对流的不对称施加,以控制流的方向和偏转量作为功能 的激活加热器部分。