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    • 7. 发明授权
    • Drop count-based ink-jet pen servicing method
    • 滴滴式喷墨笔维修方法
    • US5583547A
    • 1996-12-10
    • US513252
    • 1995-08-10
    • Paul D. GastEva-Maria MoonSteven B. Elgee
    • Paul D. GastEva-Maria MoonSteven B. Elgee
    • B41J2/05B41J2/07B41J2/165B41J2/175
    • B41J2/0457B41J2/0458B41J2/07B41J2/1652
    • Automatic print rate-controlling and pen-servicing method and apparatus are described for power management and for determining appropriate servicing intervals for plural-pen ink-jet printers. The preferred method involves counting the number of drops of ink that are fired from each of plural pens in the printer's printhead carriage and optionally calculating the pen firing rate such that printer throughput can be controlled to limit time-averaged power and such that pen servicing frequency can be based upon the need for such servicing. The counts are maintained in memory connected, for example, with the printer's microcontroller, as are parameters that the microcontroller uses to determine appropriate drop count-based print rate controlling or pen servicing that reduce printer throughput only to the extent necessary. Particularly, the pens are serviced when any of the counts is within a predefined finite range of a predefined number or no later than when any of the counts exceeds a corresponding predefined number. The preferred apparatus includes a drop counter, a service station for wiping and spitting plural pens within a printhead carriage and a controller responsive to the drop counter to control the printing rate and to move the printhead carriage into operative association with the service station based upon drop count, firing rate, time-averaged power capability, printhead location and other predetermined criteria.
    • 描述了用于电源管理和确定多笔喷墨打印机的适当维修间隔的自动打印速率控制和笔维护方法和装置。 优选的方法包括对从打印机的打印头托架中的多个笔中的每一个喷射的墨水滴数进行计数,并且可选地计算笔的喷射速率,使得可以控制打印机吞吐量以限制时间平均功率,并且使得笔的服务频率 可以基于这种维修的需要。 例如,与打印机的微控制器连接的存储器中的计数保持不变,微控制器用于确定适当的基于滴定计数的打印速率控制或笔服务的参数,这些参数仅在必要的程度上降低打印机的吞吐量。 特别地,当任何计数在预定义数量的预定义有限范围内时,或者不晚于当任何计数超过对应的预定数量时,笔被服务。 优选的装置包括液滴计数器,用于在打印头滑架内擦拭和吐痰多个笔的服务站,以及响应于液滴计数器的控制器以控制打印速率并且基于下降将打印头滑架移动到与服务站操作关联 计数,发射率,时间平均功率能力,打印头位置和其他预定标准。
    • 8. 再颁专利
    • Off-axis ink with supply with pressurized ink tube for preventing air ingestion
    • 离轴油墨供应带加压油墨管,用于防止空气摄入
    • USRE37874E1
    • 2002-10-15
    • US09609450
    • 2000-06-27
    • Norman E. Pawlowski, Jr.Paul D. Gast
    • Norman E. Pawlowski, Jr.Paul D. Gast
    • B41J2175
    • B41J2/17553B41J2/175B41J2/17503B41J2/17509B41J2/17513B41J2/1752B41J2/17556
    • In the preferred embodiment, an inkjet printer includes a replaceable print cartridge which is inserted into a scanning carriage. The print cartridge contains a regulator valve. An ink tube extends from the scanning carriage to a separate, disposable ink supply cartridge located within the printer. A second valve connected between the ink tube and the ink supply cartridge is automatically actuated when it is determined that the printer is not being used. The valve seal is more reliable than the inexpensive one-way valve seal in the disposable ink supply cartridge. The reliable valve seal prevents any air bubbles in the tube from expanding toward the ink supply cartridge, enabling the use of more flexible tubes which have less stringent air diffusion characteristics. In another embodiment, instead of a valve, a pressure source is connected to the ink tube to maintain the partial air pressure within the tube at approximately ambient pressure.
    • 在优选实施例中,喷墨打印机包括插入到扫描托架中的可替换打印盒。 打印碳粉盒包含一个调节阀。 墨水管从扫描托架延伸到位于打印机内的单独的一次性墨水供应盒。 当确定打印机未被使用时,连接在墨水管和供墨盒之间的第二阀被自动启动。 阀密封件比一次性供墨盒中便宜的单向阀密封件更可靠。 可靠的阀密封防止管中的任何气泡朝向墨水供应墨盒扩张,从而能够使用具有较不严格的空气扩散特性的更柔性的管。 在另一个实施例中,代替阀,压力源连接到墨管,以将管内的部分空气压力保持在大约环境压力。
    • 9. 发明授权
    • Large inkjet print swath media support system
    • 大型喷墨打印格式媒体支持系统
    • US5992994A
    • 1999-11-30
    • US595009
    • 1996-01-31
    • Steve O. RasmussenPaul D. Gast
    • Steve O. RasmussenPaul D. Gast
    • B41J2/01B41J11/00B41J11/02B41J13/08B41J29/00
    • B41J11/007B41J11/002B41J11/0085B41J2/01
    • To maintain a uniform spacing between the print media, such as paper, and an inkjet printhead having a large print swath, for instance about 25 millimeters (one inch) wide, a new media support system is provided for inkjet printing mechanisms, such as printers or plotters. The support system employs an endless belt driven from the belt interior surface by a roller drive system that uniformly supports the print media under the reciprocating printhead. The belt may be lined with anti-cockle ribs to support the media when saturated. The belt may also be foraminous, with a vacuum applied thereunder to pull the media onto the belt. A method is also provided for supporting and transporting a large sheet of print media through a printzone of an inkjet printing mechanism, such as an inkjet plotter, that uses such a large swath inkjet printhead.
    • 为了保持诸如纸张之类的打印介质和具有大的打印幅宽(例如大约25毫米(1英寸))宽的喷墨打印头之间的均匀间隔,为喷墨打印机构提供了新的介质支持系统,例如打印机 或绘图仪。 支撑系统采用通过辊驱动系统从带内表面驱动的环形带,其均匀地支撑往复打印头下的打印介质。 带子可以内衬防反射肋,以在饱和时支撑介质。 皮带也可以是有孔的,其上施加真空以将介质拉到皮带上。 还提供了一种方法,用于通过使用这种大幅面喷墨打印头的喷墨打印机构(例如喷墨绘图机)的打印区域来支撑和传送大量打印介质。
    • 10. 发明授权
    • Off-axis ink supply with pressurized ink tube for preventing air
ingestion
    • 离轴油墨供应带有用于防止空气摄入的加压墨管
    • US5988802A
    • 1999-11-23
    • US706052
    • 1996-08-30
    • Norman E. Pawlowski, Jr.Paul D. Gast
    • Norman E. Pawlowski, Jr.Paul D. Gast
    • B41J2/175
    • B41J2/17553B41J2/175B41J2/17503B41J2/17513B41J2/1752B41J2/17509B41J2/17556
    • In the preferred embodiment, an inkjet printer includes a replaceable print cartridge which is inserted into a scanning carriage. The print cartridge contains a regulator valve. An ink tube extends from the scanning carriage to a separate, disposable ink supply cartridge located within the printer. A second valve connected between the ink tube and the ink supply cartridge is automatically actuated when it is determined that the printer is not being used. The valve seal is more reliable than the inexpensive one-way valve seal in the disposable ink supply cartridge. The reliable valve seal prevents any air bubbles in the tube from expanding toward the ink supply cartridge, enabling the use of more flexible tubes which have less stringent air diffusion characteristics. In another embodiment, instead of a valve, a pressure source is connected to the ink tube to maintain the partial air pressure within the tube at approximately ambient pressure.
    • 在优选实施例中,喷墨打印机包括插入到扫描托架中的可替换打印盒。 打印碳粉盒包含一个调节阀。 墨水管从扫描托架延伸到位于打印机内的单独的一次性墨水供应盒。 当确定打印机未被使用时,连接在墨水管和供墨盒之间的第二阀被自动启动。 阀密封件比一次性供墨盒中便宜的单向阀密封件更可靠。 可靠的阀密封防止管中的任何气泡朝向墨水供应墨盒扩张,从而能够使用具有较不严格的空气扩散特性的更柔性的管。 在另一个实施例中,代替阀,压力源连接到墨管,以将管内的部分空气压力保持在大约环境压力。