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    • 7. 发明申请
    • Method for determining a printhead gap in an ink jet apparatus that performs bi-directional alignment of the printhead
    • 用于确定执行打印头双向对准的喷墨设备中的打印头间隙的方法
    • US20070064029A1
    • 2007-03-22
    • US11232058
    • 2005-09-21
    • Mark EdwardsBrian OwensRicky Robbins
    • Mark EdwardsBrian OwensRicky Robbins
    • B41J25/308
    • B41J25/308B41J19/142
    • A method for determining a printhead gap between a printhead and a sheet of media in an ink jet apparatus that performs bi-directional alignment of the printhead includes determining a first amount of bi-directional misalignment of the printhead at a first unknown printhead gap; changing the printhead gap from the first unknown printhead gap to a second unknown printhead gap by a known printhead gap change amount; determining a second amount of bi-directional misalignment of the printhead at the second unknown printhead gap; and calculating at least one of the first unknown printhead gap and the second unknown printhead gap based on the first amount of bi-directional misalignment, the second amount of bi-directional misalignment, and the known printhead gap change amount.
    • 一种用于确定执行打印头双向对准的喷墨设备中的打印头和介质片之间的打印头间隙的方法包括:确定第一未知打印头间隙处的打印头的第一数量的双向不对准; 通过已知的打印头间隙改变量将打印头间隙从第一未知打印头间隙改变到第二未知打印头间隙; 确定所述打印头在所述第二未知打印头间隙处的第二量的双向不对准; 以及基于所述第一量的双向未对准,所述第二量的双向未对准以及已知的打印头间隙变化量,计算所述第一未知打印头间隙和所述第二未知打印头间隙中的至少一个。
    • 9. 发明申请
    • Image forming device upgrade via optical scanning of a media sheet
    • 通过介质片的光学扫描升级成像装置
    • US20070157193A1
    • 2007-07-05
    • US11325288
    • 2006-01-04
    • Tommy LoweRicky RobbinsJoseph Yackzan
    • Tommy LoweRicky RobbinsJoseph Yackzan
    • G06F9/44
    • G06F8/65
    • An image forming device may be upgraded through scanning an encoded upgrade sheet. A controller and associated circuitry in the image forming device may extract upgrade data, including firmware data for the device, from the scanned upgrade sheet and write the data to a memory device. The upgrade sheets may include an image comprising a pattern of data blocks, with each block having a color shade representative of binary data. The upgrade sheets may be distributed to users in different manners, including mailing upgrade sheets, electronically mailing the image, or providing the image on a network accessible to the users. The upgrade sheets may include a preamble that triggers the upgrade procedure as well as header and footer information describing the upgrade data.
    • 可以通过扫描编码的升级表来升级图像形成装置。 图像形成装置中的控制器和相关联的电路可以从扫描的升级表提取升级数据,包括设备的固件数据,并将数据写入存储器件。 升级表可以包括包括数据块的图案的图像,每个块具有代表二进制数据的色调。 升级表可以以不同的方式分发给用户,包括邮寄升级表,电子邮寄图像,或者在用户可访问的网络上提供图像。 升级表可以包括触发升级过程的前同步码以及描述升级数据的页头和页脚信息。