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    • 6. 发明授权
    • Gaseous detection for an inkjet system
    • 喷墨系统的气体检测
    • US07690776B2
    • 2010-04-06
    • US11965818
    • 2007-12-28
    • David Wayne DeVoreGina Marie Johns
    • David Wayne DeVoreGina Marie Johns
    • B41J2/19
    • B41J2/125B41J2/19
    • A method of monitoring gaseous accumulation within an ink flow path in fluid communication with a printhead comprising: (a) supplying a first printhead with ink using a first ink flow path; (b) mounting a first ink filter in fluid communication with the first printhead; and (c) sensing downstream from the first ink filter for gaseous components within the first ink flow path. In addition, the invention provides a printing device comprising: (a) a first printhead that includes a first set of nozzles, a first ink filter, and a first conduit between the first ink filter and the first set of nozzles for delivering filtered ink to the first set of nozzles; and (b) a sensor operative to detect at least one of bubble formation and bubble growth within the first conduit.
    • 一种监测与打印头流体连通的油墨流动路径中的气体积聚的方法,包括:(a)使用第一墨水流路向第一打印头供应墨水; (b)安装与第一打印头流体连通的第一墨水过滤器; 和(c)从第一墨水过滤器的下游感测第一墨水流动路径内的气体成分。 另外,本发明提供了一种打印装置,包括:(a)第一打印头,其包括第一组喷嘴,第一墨水过滤器和第一墨水过滤器与第一组喷嘴之间的第一导管,用于将过滤的墨水输送到 第一套喷嘴; 和(b)可操作以检测第一导管内的气泡形成和气泡生长中的至少一个的传感器。
    • 8. 发明申请
    • Detection Of Missing Nozzle For An Inkjet Printhead
    • 检测喷墨打印头缺少喷嘴
    • US20100165034A1
    • 2010-07-01
    • US12346946
    • 2008-12-31
    • David Wayne DeVoreRobert White Milgate, III
    • David Wayne DeVoreRobert White Milgate, III
    • B41J29/393
    • B41J29/393
    • A technique for detecting a defective printhead nozzle employing acoustical energy. During printhead maintenance, the nozzles of the printhead are sequentially fired to eject ink therefrom. The acoustical energy emitted by a nozzle during ejection of an ink droplet can be detected by a sound receiver. Acoustical energy can also be transmitted in the field of travel of the ink droplet so that when the ink droplet passes therethrough the acoustical energy is perturbated, and such perturbation can be detected. The perturbation can be an attenuation of the received acoustical energy when the ink droplet passes between the acoustical transmitter and a sound receiver. The perturbation can also be a change in the acoustical energy when the ink droplet reflects acoustical energy from the acoustical transmitter to the sound receiver.
    • 一种用于检测使用声能的缺陷打印头喷嘴的技术。 在打印头维护期间,打印头的喷嘴被顺序地烧制以从中喷出墨水。 在喷墨墨滴期间由喷嘴发出的声能可由声音接收器检测。 声能还可以在墨滴的行进领域中传播,使得当墨滴通过时,声能被扰动,并且可以检测到这种扰动。 当墨滴通过声发射器和声音接收器之间时,扰动可以是接收到的声能的衰减。 当墨滴将声能从声发射器反射到声音接收器时,扰动也可以是声能的变化。
    • 9. 发明授权
    • Detection of missing nozzle for an inkjet printhead
    • 检测喷墨打印头缺失的喷嘴
    • US07984959B2
    • 2011-07-26
    • US12346946
    • 2008-12-31
    • David Wayne DeVoreRobert White Milgate, III
    • David Wayne DeVoreRobert White Milgate, III
    • B41J2/165
    • B41J29/393
    • A technique for detecting a defective printhead nozzle employing acoustical energy. During printhead maintenance, the nozzles of the printhead are sequentially fired to eject ink therefrom. The acoustical energy emitted by a nozzle during ejection of an ink droplet can be detected by a sound receiver. Acoustical energy can also be transmitted in the field of travel of the ink droplet so that when the ink droplet passes therethrough the acoustical energy is perturbated, and such perturbation can be detected. The perturbation can be an attenuation of the received acoustical energy when the ink droplet passes between the acoustical transmitter and a sound receiver. The perturbation can also be a change in the acoustical energy when the ink droplet reflects acoustical energy from the acoustical transmitter to the sound receiver.
    • 一种用于检测使用声能的缺陷打印头喷嘴的技术。 在打印头维护期间,打印头的喷嘴被顺序地烧制以从中喷出墨水。 在喷墨墨滴期间由喷嘴发出的声能可由声音接收器检测。 声能还可以在墨滴的行进领域中传播,使得当墨滴通过时,声能被扰动,并且可以检测到这种扰动。 当墨滴通过声发射器和声音接收器之间时,扰动可以是接收到的声能的衰减。 当墨滴将声能从声发射器反射到声音接收器时,扰动也可以是声能的变化。
    • 10. 发明授权
    • Gaseous detection for an inkjet system
    • 喷墨系统的气体检测
    • US07354142B2
    • 2008-04-08
    • US11007561
    • 2004-12-07
    • David Wayne DeVoreGina Marie Johns
    • David Wayne DeVoreGina Marie Johns
    • B41J2/215
    • B41J2/125B41J2/19
    • A method of monitoring gaseous accumulation within an ink flow path in fluid communication with a printhead comprising: (a) supplying a first printhead with ink using a first ink flow path; (b) mounting a first ink filter in fluid communication with the first printhead; and (c) sensing downstream from the first ink filter for gaseous components within the first ink flow path. In addition, the invention provides a printing device comprising: (a) a first printhead that includes a first set of nozzles, a first ink filter, and a first conduit between the first ink filter and the first set of nozzles for delivering filtered ink to the first set of nozzles; and (b) a sensor operative to detect at least one of bubble formation and bubble growth within the first conduit.
    • 一种监测与打印头流体连通的油墨流动路径中的气体积聚的方法,包括:(a)使用第一墨水流路向第一打印头供应墨水; (b)安装与第一打印头流体连通的第一墨水过滤器; 和(c)从第一墨水过滤器的下游感测第一墨水流动路径内的气体成分。 另外,本发明提供了一种打印装置,包括:(a)第一打印头,其包括第一组喷嘴,第一墨水过滤器和第一墨水过滤器与第一组喷嘴之间的第一导管,用于将过滤的墨水输送到 第一套喷嘴; 和(b)可操作以检测第一导管内的气泡形成和气泡生长中的至少一个的传感器。