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    • 1. 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。
    • 4. 再颁专利
    • Printhead-carriage alignment and electrical interconnect lock-in mechanism
    • 打印头 - 支架对准和电气互连锁定机构
    • USRE37671E1
    • 2002-04-30
    • US09217468
    • 1998-12-21
    • David W. PinkernellLarry A. JacksonJ. Paul HarmonSteve O. Rasmussen
    • David W. PinkernellLarry A. JacksonJ. Paul HarmonSteve O. Rasmussen
    • B41J214
    • B41J25/34B41J2/1752B41J2/1753
    • A printhead cartridge and carriage assembly (10) is provided comprising: a carriage (12); a snap-spring (62) for securing a printing cartridge (14) in postion on the carriage; and an interconnect strip (16) for supplying electrical signals to the cartridge, including a force loading spring pad (24) for urging a portion of the interconnect strip against a portion of the cartridge. The cartridge has top (32), bottom (34), sides (36, 38), front (40) and rear (42) surfaces and includes a printhead (44) on the bottom surface, an electrical contact strip (46) on the back surface connected to the printhead, referencing pads (56) on the side surface, and a lip (64) on the back surface for accepting the snap-spring. Referencing surface (60) are provided for receiving the referencing pads on the cartridge. The spring pad urges the interconnect strip against the electrical contact of the cartridge. The printhead cartridge/carriage assembly of the invention requires only one hand of the operator to both insert and lock the cartridge in position. Further, the cartridge/carriage assembly provides simultaneous alignment of the printhead in the X, Y, and Z directions. Finally, contact between the printhead and the interconnect strip is reliably made each time the cartridge is inserted and locked in position, thereby ensuring proper nozzle firing each time.
    • 提供了一种打印头墨盒和托架组件(10),包括:托架(12); 用于将打印盒(14)固定在托架上的卡扣弹簧(62) 以及用于向所述盒提供电信号的互连条(16),包括用于将所述互连条的一部分推压抵靠所述盒的一部分的力加载弹簧垫(24)。 盒具有顶部(32),底部(34),侧面(36,38),前部(40)和后部(42)表面,并且在底部表面上包括打印头(44),电接触条 连接到打印头的后表面,侧表面上的参考垫(56)和用于接受卡扣弹簧的后表面上的唇缘(64)。 提供表面(60)用于接收盒上的参考垫。 弹簧垫将互连条推动抵靠盒的电接触。 本发明的打印头墨盒/托架组件仅需要操作者的一只手就能将墨盒插入并锁定在适当位置。 此外,盒/托架组件提供打印头在X,Y和Z方向上的同时对准。 最后,每次将墨盒插入并锁定在适当位置时,打印头和互连条之间的接触就可靠地进行,从而确保每次喷嘴正确的喷射。
    • 5. 发明授权
    • Shifted element scanning/printing routine coordinated with media advance
    • 移动元素扫描/打印程序与媒体推进协调
    • US6017114A
    • 2000-01-25
    • US164439
    • 1998-09-30
    • Steven B. ElgeeSteve O. RasmussenRobert P. Callaway
    • Steven B. ElgeeSteve O. RasmussenRobert P. Callaway
    • B41J11/42H04N1/047H04N1/12B41J2/145B41J2/15B41J29/38
    • H04N1/128B41J11/42H04N1/047H04N1/12H04N2201/04731H04N2201/04789H04N2201/04791
    • A shifted element printing/scanning routine coordinated with media advance through an interaction zone of hardcopy device is provided for inkjet printing mechanisms, scanners or multi-function hardcopy devices. A method is provided of coordinating operation of a reciprocating head with media advance. The head has plural interaction elements, which may be ink-ejecting nozzles in a printing mechanism, or image receptors in a scanning mechanism, with the interaction elements being arranged in a linear array to selectively interact with media. A hardcopy device has a rotating media advancing member, a reciprocating head carrying the interaction elements, an encoder having indicia to track media advance, and a sensor that interprets the encoder indicia and generated a media position signal. A controller adjusts the media advance and shifts operation of selected interaction elements to other interaction elements along the linear array to avoid an indeterminate region of the position signal where the media position cannot be ascertained.
    • 为印刷机构,扫描仪或多功能硬拷贝装置提供了通过硬拷贝装置的相互作用区域与介质前进协调的移位元件打印/扫描程序。 提供了一种协调往复式头部与介质提前的操作的方法。 头部具有多个相互作用元件,其可以是打印机构中的喷墨喷嘴或扫描机构中的图像接收器,其中相互作用元件被布置成线性阵列以选择性地与介质相互作用。 硬拷贝装置具有旋转介质前进构件,承载相互作用元件的往复运动头,具有跟踪介质前进的标记的编码器以及解释编码器标记并产生介质位置信号的传感器。 控制器调整介质前进并将所选择的相互作用元件的操作沿着线性阵列移动到其他相互作用元件,以避免不能确定介质位置的位置信号的不确定区域。
    • 8. 发明授权
    • Ink-jet printer with printhead carriage alignment mechanism
    • 具有打印头支架对准机构的喷墨打印机
    • US4872026A
    • 1989-10-03
    • US149454
    • 1988-01-28
    • Steve O. RasmussenLarry A. JacksonJohn D. RhodesDavid W. PinkernellJ. Paul HarmonKevin L. MoonWilliam R. Huseby
    • Steve O. RasmussenLarry A. JacksonJohn D. RhodesDavid W. PinkernellJ. Paul HarmonKevin L. MoonWilliam R. Huseby
    • B41J13/00B41J13/10B65H3/00B65H29/26
    • B41J13/106B41J13/0045B65H29/26B65H3/00
    • A novel ink-jet printer (10) is provided. The print provides both paper supply tray (12) and paper collection tray (18) in the front (14) of the printer for ease of paper handling and reduced footprint. The paper collection tray is provided with a pair of opposed output rails (22) which support a sheet of paper (16c) during printing to permit ink on a sheet of paper (16b) previously printed to dry. A paper handling mechanism is provided which eliminates a sheet pickup motor and associated elements. The paper handling mechanism is configured to pick off a sheet of paper from a stack of input paper, bring it around paper drive rollers (24) onto a platen (26), where the printing operation, employing a printhead cartridge (32), occurs. The printer further includes a service station (230) for clearing clogged nozzles in the printhead (33) and removing bubbles therefrom, for covering the nozzles with a protective cap (266), and for wiping contaminants off the nozzles. Reference pads (200) are provided for aligning and securing the printing cartridge in a carriage (35). The carriage is associated with a carriage guide (27), to which the carriage and print medium are referenced. The resulting printer is easy to manufacture, has reduced complexity by eliminating components in the paper drive mechanism and is lower in cost.
    • 提供了一种新颖的喷墨打印机(10)。 该打印机在打印机的前面(14)内提供供纸托盘(12)和纸张收集盘(18),以方便纸张处理和减少占地面积。 纸张收集盘设置有一对相对的输出轨道(22),其在打印期间支撑一张纸(16c),以允许预先打印干燥的纸张(16b)上的油墨。 提供了纸张处理机构,其消除了纸张拾取电动机和相关元件。 纸张处理机构被配置为从一叠输入纸张拾取一张纸,将纸张驱动辊(24)周围带到压板(26)上,其中使用打印头墨盒(32)的打印操作发生 。 打印机还包括用于清除打印头(33)中堵塞的喷嘴并从其中除去气泡的维修站(230),用于用保护盖(266)覆盖喷嘴,并且用于从喷嘴擦拭污染物。 提供参考焊盘(200)用于将打印盒对准和固定在托架(35)中。 托架与托架引导件(27)相关联,托架和打印介质被引用到托架引导件(27)上。 所得到的打印机易于制造,通过消除纸张驱动机构中的部件并降低了成本,降低了复杂性。