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    • 3. 发明授权
    • Starwheel actuation timing for print media transport system and method
    • 打印媒体传输系统和方法的星轮启动时序
    • US06619796B2
    • 2003-09-16
    • US10016454
    • 2001-10-30
    • Steve O. RasmussenRobert M. Yraceburu
    • Steve O. RasmussenRobert M. Yraceburu
    • B41S201
    • B41J11/005B41J13/025
    • A print media transport assembly for advancing a print media through a print zone includes a primary drive roller rotatably mounted on an entry side of the print zone and a pinch roller rotatably mounted opposite the primary drive roller. The primary drive roller and the pinch roller are adapted to contact the print media and the primary drive roller is adapted to advance the print media through the print zone. The print media transport assembly also includes a secondary drive roller rotatably mounted on an exit side of the print zone and a starwheel rotatably mounted opposite the secondary drive roller. The secondary drive roller is adapted to contact a first side of the print media and the starwheel is adapted to selectively contact a second side of the print media.
    • 用于使打印介质通过打印区推进的打印介质传送组件包括可旋转地安装在打印区域的入口侧上的主驱动辊和可旋转地安装在主驱动辊对面的夹送辊。 主驱动辊和夹送辊适于接触打印介质,并且主驱动辊适于使打印介质前进通过打印区。 打印介质传送组件还包括可旋转地安装在打印区域的出口侧上的辅助驱动辊和与辅助驱动辊相对地可旋转地安装的星轮。 辅助驱动辊适于接触打印介质的第一侧,星轮适于选择性地接触打印介质的第二面。
    • 9. 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。
    • 10. 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。