公开(公告)号：US06650793B1

公开(公告)日：2003-11-18

申请号：US09541798

申请日：2000-03-31

申请人： Mark D. Lund ,  Thomas B. Pritchard

发明人： Mark D. Lund ,  Thomas B. Pritchard

IPC分类号： G06K932

CPC分类号： H04N1/40068 ,  G06K15/02 ,  G06K15/18 ,  G06K15/1822 ,  G06T3/403

摘要： Multiple algorithms are applied to expand input image data of a variety of lower resolutions to output image data of a variety of higher resolutions with enhanced text quality, particularly in the black datapath controlling an output device such as an inkjet or laser printer. Enhancement techniques include edge smoothing, bit stripping for large drop weight pens, and drop-weight based ink depletion. Embodiments provide algorithms that convert 600×600 dpi input resolution data to 1200×600 dpi output resolution image data or 300×300 to 600×300 dpi resolution (i.e., asymmetric 2:1 ratio resolution conversion along mutually perpendicular axes), including text edge smoothing, while causing minimal change to gray scaled (halftoned) data within images. The invention applies to other resolutions as well. Some embodiments include unidirectional bitstripping that preserves 1200 dpi edges while applying output pixels at only 600 dpi from 1200 dpi resolution output image data. Some embodiments include drop-weight based depletion to adjust the average ink flux to 32 ng per {fraction (1/600)}th inch cell, thereby preventing excess ink application at high output resolutions, e.g., 1200×600 dpi. In various embodiments, operations are performed in hardware modules and/or performed cooperatively as an integrated process to meet system throughput requirements.

摘要翻译： 应用多种算法来扩展各种较低分辨率的输入图像数据，以输出具有增强文本质量的各种较高分辨率的图像数据，特别是在控制诸如喷墨或激光打印机的输出设备的黑色数据路径中。 增强技术包括边缘平滑，大型液滴重量笔的位剥离和基于液滴重量的油墨消耗。 实施例提供了将600x600dpi输入分辨率数据转换为1200×600dpi输出分辨率图像数据或300×300至600×300dpi分辨率（即，沿相互垂直轴的不对称2:1比例分辨率转换）的算法，包括文本边缘平滑，同时使灰度变化最小 图像中的缩放（半色调）数据。 本发明也适用于其他决议。 一些实施例包括保持1200dpi边缘的单向位条，同时从1200dpi分辨率输出图像数据仅以600dpi应用输出像素。 一些实施方案包括以重量为基础的耗尽，以将平均墨水通量调整至32ng / {部分（1/600英寸的电池，从而防止在高输出分辨率下的多余的墨水施加，例如1200×600dpi）。在各种实施方案中， 硬件模块和/或协同地执行为集成过程以满足系统吞吐量要求。

公开(公告)号：US06598965B1

公开(公告)日：2003-07-29

申请号：US09452279

申请日：1999-11-30

申请人： Mark D. Lund ,  Ngoc-Diep T. Nguyen ,  Charles S. Woodruff

发明人： Mark D. Lund ,  Ngoc-Diep T. Nguyen ,  Charles S. Woodruff

IPC分类号： B41J217

CPC分类号： B41J2/2114

摘要： Disclosed is a system in an inkjet printer for determining the amount of a fixer to be applied to a medium. The system comprises a fixer generation circuit where the fixer generation circuit determines an amount of a fixer to be applied to a dot location on a medium based on an amount of ink to be applied to the dot location. A bloom encoder circuit is also disclosed for identifying amounts of fixer to be deposited adjacent to dot locations containing ink.

摘要翻译： 公开了一种喷墨打印机中用于确定施加到介质的定影剂的量的系统。 该系统包括固定器产生电路，其中固定器产生电路基于要施加到点位置的墨水量来确定要施加到介质上的点位置的定影剂的量。 还公开了一种花式编码器电路，用于识别邻近含有墨水的点位置沉积的定影剂的量。

公开(公告)号：US6158835A

公开(公告)日：2000-12-12

申请号：US228000

申请日：1999-01-08

申请人： Lee W Jackson ,  Kevin R Hudson ,  Mark D Lund

发明人： Lee W Jackson ,  Kevin R Hudson ,  Mark D Lund

IPC分类号： B41J2/05 ,  B41J2/485 ,  B41J29/38

CPC分类号： B41J2/04513 ,  B41J2/04536 ,  B41J2/04586 ,  B41J2/485

摘要： Printhead longevity is extended by more uniformly utilizing individual printhead printing elements. A preferred algorithm moves an active zone of printing elements uniformly down the printhead on successive print passes. If insufficient printing elements are available to print the next pass, the active zone is moved to a point near the top of the printhead determined by a modulo function.

摘要翻译： 通过更均匀地利用单独的打印头打印元件来延长打印头的寿命。 优选的算法将打印元件的活动区域在连续的打印通道上均匀地移动到打印头上。 如果打印元素不足以打印下一遍，则活动区域将移动到由模数函数确定的靠近打印头顶部的位置。

公开(公告)号：US5504471A

公开(公告)日：1996-04-02

申请号：US123482

申请日：1993-09-16

申请人： Mark D. Lund

发明人： Mark D. Lund

IPC分类号： B41J2/355 ,  G01D15/16 ,  H01C13/02 ,  H01C1/01

CPC分类号： B41J2/355

摘要： A passively-multiplexed resistor array has rows and columns of conductors. Resistors span the intersections of the conductors, and one or more selected resistors may be energized by energizing the corresponding row(s) and column(s). However, other, unselected, resistors may also be partially energized. By adding additional rows or columns of "minimizer" resistors, the maximum power in unselected resistors may be reduced. The minimizer resistors are electrically connected in the passively-multiplexed resistor array but do not perform the function of the other resistors in the array.

摘要翻译： 被动复用的电阻阵列具有行和列的导体。 电阻器跨越导体的交叉点，并且一个或多个选择的电阻器可以通过激励相应的行和列来激励。 然而，其他未选择的电阻器也可以部分地通电。 通过添加额外的“最小化”电阻的行或列，可以减少未选择的电阻器中的最大功率。 最小电阻电阻器被电连接在被动复用的电阻器阵列中，但不执行阵列中的其它电阻器的功能。

公开(公告)号：US07399047B2

公开(公告)日：2008-07-15

申请号：US10834450

申请日：2004-04-29

申请人： Jefferson P Ward ,  Mark D Lund ,  Steven T. Castle ,  Erik D Ness

发明人： Jefferson P Ward ,  Mark D Lund ,  Steven T. Castle ,  Erik D Ness

IPC分类号： B41J29/393 ,  B41J2/175

CPC分类号： B41J2/17546

摘要： Embodiments of the invention involve modifying non-volatile data fields in the integral memory components of consumable cartridges (and, in some embodiments, data fields in the utilizing device memory) such that the consumable cartridges become compatible with only a small subset of utilizing devices, thereby substantially reducing their potential value to a thief or unauthorized borrower.

摘要翻译： 本发明的实施例涉及修改消耗品盒的整体存储器组件中的非易失性数据字段（以及在一些实施例中，利用设备存储器中的数据字段），使得消耗性盒与仅使用设备的一小部分兼容， 从而大大降低了他们对小偷或未经授权的借款人的潜在价值。

公开(公告)号：US06860588B1

公开(公告)日：2005-03-01

申请号：US09686037

申请日：2000-10-11

申请人： Clayton L Holstun ,  Jeffrey Allen Nielsen ,  Matthew D Giere ,  Scott Norum ,  Stephen W Bauer ,  Mark D Lund ,  Robert W Sperry ,  Dustin W Blair

发明人： Clayton L Holstun ,  Jeffrey Allen Nielsen ,  Matthew D Giere ,  Scott Norum ,  Stephen W Bauer ,  Mark D Lund ,  Robert W Sperry ,  Dustin W Blair

IPC分类号： B41J2/05 ,  B41J2/14 ,  B41J2/16

CPC分类号： B41J2/14016 ,  B41J2002/14475

摘要： A printhead for an inkjet printer having geometric features which reduce drop placement error of main and satellite drops ejected from the nozzles of the printhead. Nozzles that are tilted along an axis corresponding to the direction of scanning of the printhead while printing have reduced drop placement error in the orthogonal direction to the scanning, and create a breakoff velocity for the satellite drop that can cause the main and satellite drops to be placed in a coincident location on the medium in one of the directions of scanning, thus forming desireable round printed spots and reducing drop placement error in the scan direction. These improvements can be repeatably achieved for all nozzles. Nozzles with non-circular and asymmetric bores also reduce drop placement errors, particularly when these types of nozzles are also tilted.

摘要翻译： 一种用于喷墨打印机的打印机，其具有几何特征，其减少从打印头的喷嘴喷射的主和卫星滴的滴定布置误差。 在打印时沿着与打印头的扫描方向相对应的轴线倾斜的喷嘴在与扫描正交的方向上具有降低的放置位置误差，并且产生可导致主卫星和卫星降落的卫星降落的断裂速度 在扫描方向中的一个方向上放置在介质上的重合位置，从而形成所需的圆形印刷点并减少扫描方向上的放置位置误差。 对于所有喷嘴可以重复地实现这些改进。 具有非圆形和不对称孔的喷嘴还降低了滴落布置误差，特别是当这些类型的喷嘴也倾斜时。

公开(公告)号：US06850339B1

公开(公告)日：2005-02-01

申请号：US09533450

申请日：2000-03-23

申请人： Mark D. Lund

发明人： Mark D. Lund

IPC分类号： B41J2/52 ,  B41J2/505 ,  G06K15/02 ,  G06T1/00 ,  G06T5/00 ,  G06T5/20 ,  H04N1/387 ,  H04N1/46 ,  H04N1/60 ,  C06K1/00

CPC分类号： B41J2/5058 ,  G06K15/02 ,  G06K2215/0057 ,  G06K2215/0071 ,  G06T3/4053 ,  H04N1/4092

摘要： When black regions are adjacent to color regions, the adjacent black regions are encoded (rendered) at the resolution of the color regions (e.g., 300 dpi) even though the printer has the capability of printing black at a higher resolution (e.g., 600 dpi). To make full use of the 600 dpi resolution of the printer, the black pixels are separated from the color pixels. The 300 dpi resolution black pixel field is converted to a 600 dpi black image field. A window surrounding a selected group of (600 dpi) black/white target pixels is chosen. The pixels in the window are applied to a logic circuit having a plurality of logical conditions. As a result of the logic processing, values of each of the target pixels can be changed to a different pixel value to avoid jagged edges in the printed images, thereby providing a pseudo-600 dpi resolution for the target pixels. The logical operations are performed until all of the pixels have values determined by the logic circuit. The resulting processed pixel field provides a more satisfactory printed image. The window is selected so that the pixel fields can be represented by word-length data groups. Black pixels rendered at the higher resolution are generally unaffected by the logic circuit. Thus, black pixels are rendered at two resolutions but printed at the same resolution.

摘要翻译： 当黑色区域与颜色区域相邻时，即使打印机具有以更高分辨率（例如，600dpi）打印黑色的能力，相邻黑色区域以彩色区域的分辨率（例如，300dpi）被编码（渲染） ）。 为了充分利用打印机的600 dpi分辨率，黑色像素与彩色像素分离。 将300dpi分辨率的黑色像素场转换成600dpi的黑色图像场。 选择一组（600dpi）黑/白目标像素周围的窗口。 窗口中的像素被施加到具有多个逻辑条件的逻辑电路。 作为逻辑处理的结果，可以将每个目标像素的值改变为不同的像素值，以避免打印图像中的锯齿状边缘，从而为目标像素提供伪600 dpi分辨率。 执行逻辑运算，直到所有像素具有由逻辑电路确定的值。 所得到的经处理的像素场提供更令人满意的打印图像。 选择窗口，使得像素字段可以由字长数据组表示。 以较高分辨率呈现的黑色像素通常不受逻辑电路的影响。 因此，黑色像素以两个分辨率呈现，但以相同的分辨率打印。

公开(公告)号：US06804417B1

公开(公告)日：2004-10-12

申请号：US09539546

申请日：2000-03-31

申请人： Mark D. Lund ,  Thomas B. Pritchard

发明人： Mark D. Lund ,  Thomas B. Pritchard

IPC分类号： G06K932

CPC分类号： G06T3/403 ,  G06K15/02 ,  G06K15/1871 ,  H04N1/40068 ,  H04N1/4092

摘要： Multiple algorithms are applied to expand input image data of a variety of lower resolutions to output image data of a variety of higher resolutions with enhanced text quality, particularly in the black datapath controlling an output device such as an inkjet or laser printer. Enhancement techniques include edge smoothing, bit stripping for large drop weight pens, and drop-weight based ink depletion. Embodiments provide algorithms that convert 600×600 dpi input resolution data to 1200×600 dpi output resolution image data or 300×300 to 600×300 dpi resolution (i.e., asymmetric 2:1 ratio resolution conversion along mutually perpendicular axes), including text edge smoothing, while causing minimal change to gray scaled (halftoned) data within images. The techniques can be applied to other resolutions as well. Some embodiments include unidirectional bitstripping that preserves 1200 dpi edges while applying output pixels at only 600 dpi from 1200 dpi resolution output image data. Some embodiments include drop-weight based depletion to adjust the average ink flux to 32 ng per {fraction (1/600)}th inch cell, thereby preventing excess ink application at high output resolutions, e.g., 1200×600 dpi. In various embodiments, operations are performed in hardware modules and/or performed cooperatively as an integrated process to meet system throughput requirements.

摘要翻译： 应用多种算法来扩展各种较低分辨率的输入图像数据，以输出具有增强文本质量的各种较高分辨率的图像数据，特别是在控制诸如喷墨或激光打印机的输出设备的黑色数据路径中。 增强技术包括边缘平滑，大型液滴重量笔的位剥离和基于液滴重量的油墨消耗。 实施例提供了将600x600dpi输入分辨率数据转换为1200×600dpi输出分辨率图像数据或300×300至600×300dpi分辨率（即，沿相互垂直轴的不对称2:1比例分辨率转换）的算法，包括文本边缘平滑，同时使灰度变化最小 图像中的缩放（半色调）数据。 这些技术也可以应用于其他决议。 一些实施例包括保持1200dpi边缘的单向位条，同时从1200dpi分辨率输出图像数据仅以600dpi应用输出像素。 一些实施方案包括以重量为基础的耗尽，以将平均墨水通量调整至32ng / {部分（1/600英寸的电池，从而防止在高输出分辨率下的多余的墨水施加，例如1200×600dpi）。在各种实施方案中， 硬件模块和/或协同地执行为集成过程以满足系统吞吐量要求。

公开(公告)号：US5270728A

公开(公告)日：1993-12-14

申请号：US686898

申请日：1991-04-17

申请人： Mark D. Lund ,  Steven O. Miller

发明人： Mark D. Lund ,  Steven O. Miller

IPC分类号： B41J2/51 ,  B41J2/205 ,  B41J2/485 ,  B41J2/505 ,  G06K15/10 ,  G06T5/30 ,  H04N1/40 ,  H04N1/409 ,  B41J2/01

CPC分类号： B41J2/5058 ,  B41J2/2052 ,  G06K15/102 ,  H04N1/40068

摘要： A method for multiplying the speed-resolution product of a raster scanning or imaging device such as an inkjet printer, and a resulting pixel image data structure, are disclosed. Illustratively, a 300-dot per inch (dpi) by 600-dpi logical pixel image is mapped to a corresponding, non-overlapping physical dot image, and the printer's inkjets are fired responsive to the dot image to direct generally spherical ink droplets onto paper at 600-dpi resolution grid timing in order effectively to double the horizontal resolution of the printed pixel image, without increasing the firing rate of the print head. In order to accomplish this, and to avoid ink dot overlap, the printable pixel image is thinned before it is printed by a method that leaves no visible horizontal or vertical gaps by selectively turning off pixels within a `black` image that were on and that otherwise would result in ink dot overlap and slower print head speeds were the inkjets cycled at 600-dpi resolution timing. Pixel thinning is performed substantially without adversely affecting pixel image edge definition.

公开(公告)号：US4767341A

公开(公告)日：1988-08-30

申请号：US121975

申请日：1987-11-18

申请人： Mark D. Lund

发明人： Mark D. Lund

IPC分类号： G06K19/077 ,  G11C5/00 ,  H01R12/72 ,  H01R13/71 ,  H05K1/11 ,  H05K7/14 ,  H01R9/09

CPC分类号： H01R12/721 ,  H05K1/117 ,  H05K2201/0746 ,  H05K2201/094

摘要： A printed circuit card includes a modified finger contact spanning two finger contact positions on its edge connector to momentarily short correspondingly adjacent receptacle contacts of a mating receptacle connector when the printed circuit card is either plugged into or removed from the mating receptacle connector.