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1. 发明授权

US06640157B2 Method for operating a media feed motor of a printer 有权
标题翻译：操作打印机的介质进给电机的方法
公开(公告)号：US06640157B2
公开(公告)日：2003-10-28
申请号：US10073794
申请日：2002-02-11
申请人： John Thomas Writt , Barry Baxter Stout , Michael Anthony Marra, III , Randall David Mayo , Robert A. Bailey
发明人： John Thomas Writt , Barry Baxter Stout , Michael Anthony Marra, III , Randall David Mayo , Robert A. Bailey
IPC分类号： G06F700
CPC分类号： B41J11/42
摘要： A method of the invention is for operating a media feed motor of a printer to perform a media feed move of a predetermined distance and includes steps a) through c). Step a) includes choosing a position-error scale factor for a media feed move that is within a range of distances. Step b) includes calculating a media-feed-motor drive signal which includes a position error contribution substantially equal to the product of the position-error scale factor and the difference between a desired final media position at the end of a media feed move and the actual media position. Step c) includes modifying the position error contribution in step b) to reduce its effect when the predetermined distance is greater than the maximum distance within the range but not when the predetermined distance is less than the maximum distance within the range.
摘要翻译：本发明的一种方法是用于操作打印机的介质进给马达以执行预定距离的介质进给运动，并且包括步骤a）至c）。步骤a）包括为距离范围内的介质进给移动选择位置误差比例因子。步骤b）包括计算介质馈送电动机驱动信号，该信号包括基本上等于位置误差比例因子的乘积的位置误差贡献和介质馈送移动结束时期望的最终介质位置之间的差和实际媒体位置步骤c）包括在步骤b）中修改位置误差贡献以当预定距离大于该范围内的最大距离时减小其效果，但是当预定距离小于该范围内的最大距离时。

2. 发明授权

US06502920B1 Ink jet print head having offset nozzle arrays 有权
公开(公告)号：US06502920B1
公开(公告)日：2003-01-07
申请号：US09499008
申请日：2000-02-04
申请人： Frank Edward Anderson , John Philip Bolash , Randall David Mayo , George Keith Parish
发明人： Frank Edward Anderson , John Philip Bolash , Randall David Mayo , George Keith Parish
IPC分类号： B41J215
CPC分类号： B41J2/04505 , B41J2/04543 , B41J2/04573 , B41J2/0458 , B41J2/14072 , B41J2/15
摘要： An ink jet printing apparatus forms a printed image on a print medium based on image data. The apparatus includes an ink jet print head having ink ejection nozzles in a nozzle array. Ink is ejected from the nozzles and onto the print medium as the print head scans across the print medium in a scan direction, thereby forming the image on the print medium. The nozzle array on the print head includes a first substantially columnar array of nozzles aligned with a print medium advance direction which is perpendicular to the scan direction. The first array has a first upper subarray pair that includes a first upper left and a first upper right subarray of nozzles. The first upper left and a first upper right subarrays each include a substantially linear arrangement of n number of nozzles having equal nozzle-to-nozzle spacings. The nozzle-to-nozzle spacing in the first upper right subarray is equivalent to the nozzle-to-nozzle spacing in the first upper left subarray. The first upper right subarray is offset from the first upper left subarray in the scan direction by a first horizontal spacing, and is offset in the print medium advance direction by one-half of the nozzle-to-nozzle spacing. The nozzle array also includes a second substantially columnar array of nozzles aligned with the print medium advance direction. The second array is offset from the first array in the scan direction by a second horizontal spacing, and is offset in the print medium advance direction by one-fourth of the nozzle-to-nozzle spacing. The second columnar array has a second upper subarray pair that includes a second upper left and a second upper right subarray. The second upper left and second upper right subarrays each include a substantially linear arrangement of n number of nozzles having equal nozzle-to-nozzle spacings. The second upper right subarray is offset from the second upper left subarray in the scan direction by the first horizontal spacing and in the print medium advance direction by one-half of the nozzle-to-nozzle spacing.

3. 发明授权

US6124696A Programmable stepper motor controller and method therefor 有权
标题翻译：可编程步进电机控制器及其方法
公开(公告)号：US6124696A
公开(公告)日：2000-09-26
申请号：US352972
申请日：1999-07-14
申请人： Timothy John Rademacher , Randall David Mayo
发明人： Timothy John Rademacher , Randall David Mayo
IPC分类号： H02P8/00
CPC分类号： H02P8/00
摘要： A system and method for controlling a stepper motor wherein the amount of memory space needed to store a phase table is minimized. The stepper motor controller comprises a memory sized to store data representing a plurality of states for current outputs to be supplied to a first winding of a stepper motor and from which are derived current outputs for the first winding and a second winding of the stepper motor. A finite state machine is coupled to the memory. The finite state machine comprises a first address register that stores an address for data in the memory for a present state of the first winding and a second register that stores an address for data in the memory for a present state of the second winding. When the finite state machine receives as input a step control or command signal, it reads a bit pattern from the memory at an address corresponding to the contents of the first address register and derives from the retrieved bit pattern current control output for the first winding, and reads a bit pattern from the memory at an address corresponding to the contents of the second register which is equal to the contents of the first address register plus an offset value and derives from the retrieved bit pattern current control output for the second winding.
摘要翻译：一种用于控制步进电机的系统和方法，其中存储相位表所需的存储器空间量被最小化。步进电机控制器包括存储器，其尺寸设置为存储表示用于当前输出的多个状态的数据，以提供给步进电动机的第一绕组，并且由该步进电动机的第一绕组导出电流输出和步进电动机的第二绕组。有限状态机被耦合到存储器。有限状态机包括第一地址寄存器，其存储用于第一绕组的当前状态的存储器中的数据的地址;以及第二寄存器，用于存储用于第二绕组的当前状态的存储器中的数据的地址。当有限状态机接收到步进控制或命令信号作为输入时，它从对应于第一地址寄存器的内容的地址从存储器读取位模式，并且从检索到的第一绕组的位模式电流控制输出中导出，并从与第二寄存器的内容相对应的地址的存储器中读取与第一地址寄存器的内容相等的偏移值，并从第二绕组的检索位图案电流控制输出中导出位模式。

4. 发明授权

US07625148B2 Trough support ribs and method of use 有权
标题翻译：槽支撑筋和使用方法
公开(公告)号：US07625148B2
公开(公告)日：2009-12-01
申请号：US11457225
申请日：2006-07-13
申请人： Michael Anthony Marra, III , Randall David Mayo
发明人： Michael Anthony Marra, III , Randall David Mayo
IPC分类号： B41J2/01 , B41J2/185
CPC分类号： B41J11/0065 , B41J11/06
摘要： An improved method of edge-to-edge printing on media in a printer having a printhead disposed above an ink trough, the ink trough has a plurality of sections formed by a plurality of trough support ribs within the ink trough, comprises indexing a leading edge of media to a first position over a first trough section, selectively operating printhead jets which are positioned above the media to inhibit ink contamination of exposed support ribs, indexing the media leading edge to one of a second position within the first trough section or a position within a second trough section.
摘要翻译：一种改进的打印机中边缘到边缘打印的方法，其具有设置在墨槽上方的打印头，墨槽具有由墨槽内的多个槽支撑肋形成的多个部分，包括将前缘介质到第一位置上的第一位置，选择性地操作位于介质上方的打印头喷嘴以防止暴露的支撑肋的油墨污染，将介质前端分配到第一槽部分内的第二位置或位置在第二槽段内。

5. 发明授权

US07178914B2 Media pre-feed in intermittent printer 有权
标题翻译：间歇式打印机中的介质预送
公开(公告)号：US07178914B2
公开(公告)日：2007-02-20
申请号：US10792499
申请日：2004-03-03
申请人： Michael Anthony Marra, III , Randall David Mayo , Barry Baxter Stout
发明人： Michael Anthony Marra, III , Randall David Mayo , Barry Baxter Stout
IPC分类号： B41J13/02 , B65H5/06
CPC分类号： B41J13/0009
摘要： A printer (1) in which a first sheet (5) to be imaged by printhead (3) is followed by a trailing media sheet. The first sheet is stopped intermittently so that the printhead can traverse the first sheet to print a partial image. The trailing media sheet is stopped behind the first sheet and is moved intermittently until it reaches or is near nip rollers (9a, 9b). Exit rollers 11a, 11b, 11c, and 11d move the first sheet out of the printer. When the exit rollers and the nip roller move forward and backward together the first sheet may be exited before the nip rollers are reversed to align the second sheet. Alternatively, the first sheet may be moved backward during alignment. The intermittent movement of the sheets may be at different times and with the trailing sheet moved less times and longer amounts than the first sheet is moved.
摘要翻译：打印机（1），其中由打印头（3）成像的第一片材（5）后面是后置介质片材。间歇地停止第一片，使得打印头可以穿过第一张片材以打印部分图像。拖尾介质片停止在第一片后面并间歇地移动直到到达或靠近夹辊（9a，9b）。出纸辊11a，11b，11c和11d将第一张纸从打印机中移出。当出口辊和夹持辊一起向前和向后移动时，可以在夹持辊反转之前退出第一片以对准第二片。或者，第一片可以在对准期间向后移动。片材的间歇运动可以在不同的时间，并且后片材移动较少的次数，并且比第一片材移动的量更长。

6. 发明授权

US06938975B2 Method of reducing printing defects in an ink jet printer 有权
公开(公告)号：US06938975B2
公开(公告)日：2005-09-06
申请号：US10647867
申请日：2003-08-25
申请人： David Golman King , Patrick Laurence Kroger , Michael Anthony Marra, III , Randall David Mayo
发明人： David Golman King , Patrick Laurence Kroger , Michael Anthony Marra, III , Randall David Mayo
IPC分类号： B41J11/42 , B41J29/393 , B41J29/38
CPC分类号： B41J11/425 , B41J29/393
摘要： A method of reducing printing defects in an ink jet printer including at least one printhead mounted to a printhead carrier for printing on a print media sheet, includes the steps of determining a vertical alignment error for at least one printhead and adjusting a sheet feed increment for the print media sheet based on the vertical alignment error.

7. 发明授权

US06935795B1 Method for reducing the effects of printhead carrier disturbance during printing with an imaging apparatus 有权
标题翻译：一种用于在用成像设备打印期间减少打印头载体干扰的影响的方法
公开(公告)号：US06935795B1
公开(公告)日：2005-08-30
申请号：US10802560
申请日：2004-03-17
申请人： Mark Walter Fagan , Frederick Charles Griesemer , Michael Anthony Marra, III , Randall David Mayo
发明人： Mark Walter Fagan , Frederick Charles Griesemer , Michael Anthony Marra, III , Randall David Mayo
IPC分类号： B41J19/00 , B41J19/14 , B41J19/20 , B41J29/38
CPC分类号： B41J19/202 , B41J19/142 , B41J29/38
摘要： A method for reducing the effects of printhead carrier disturbance during printing with an imaging apparatus having a printhead carrier for carrying at least one printhead includes the steps of accelerating the printhead carrier from a first position in a first direction; printing with the printhead in the first direction; and changing a rate of acceleration of the printhead carrier for a subsequent accelerating of the printhead carrier from the first position in the first direction prior to a subsequent printing with the printhead in the first direction to phase shift the printhead carrier disturbance.
摘要翻译：一种用于在具有用于承载至少一个打印头的打印头托架的成像设备的打印期间减少打印头托架干扰的影响的方法包括以下步骤：在第一方向上从第一位置加速打印头托架; 在第一方向上打印打印头; 以及在随后利用所述打印头在所述第一方向进行打印之前，改变所述打印头载体的加速度以便随后从所述第一方向的所述第一位置加速所述打印头载体的加速度，以相移所述打印头托架干扰。

8. 发明授权

US06796556B2 Multi-function media eject system in an ink jet printer 有权
标题翻译：多功能介质弹出系统在喷墨打印机
公开(公告)号：US06796556B2
公开(公告)日：2004-09-28
申请号：US10423452
申请日：2003-04-25
申请人： Douglas Laurence Robertson , Randall David Mayo , Barry Baxter Stout , Michael Anthony Marra, III , Walter Kevin Cousins , Herman Anthony Smith
发明人： Douglas Laurence Robertson , Randall David Mayo , Barry Baxter Stout , Michael Anthony Marra, III , Walter Kevin Cousins , Herman Anthony Smith
IPC分类号： B41J201
CPC分类号： B65H29/34 , B41J11/009 , B41J13/106 , B65H29/46 , B65H31/34 , B65H2301/16 , B65H2404/73 , B65H2511/10 , B65H2511/40 , B65H2511/415 , B65H2513/40 , B65H2513/51 , B65H2601/251 , B65H2701/1313 , B65H2220/01 , B65H2220/02 , B65H2220/11
摘要： A media eject system for a printer having an output tray includes an edge wing for supporting an edge of media exiting the printer, the edge wing movable between support and non-support positions. A kicker engages a trailing edge of media and moves the media into the tray. The kicker is movable between a retracted position and an extended position and operable to move the media into the tray by movement of the kicker from the retracted position to the extended position. A controller determines a print condition including at least one of a media type and a print format, and adjusts a position of the wing dependent upon the print condition.
摘要翻译：用于具有输出盘的打印机的介质排出系统包括用于支撑离开打印机的介质的边缘的边缘翼缘，边缘翼可在支撑位置和非支撑位置之间移动。踢球者接合介质的后缘并将介质移动到托盘中。踢球者可在缩回位置和延伸位置之间移动，并且可操作以通过踢球者从缩回位置移动到延伸位置来将介质移动到托盘中。控制器确定包括介质类型和打印格式中的至少一种的打印条件，并根据打印条件来调整机翼的位置。

9. 发明授权

US06762580B1 Electric motor velocity controller 有权
标题翻译：电动机速度控制器
公开(公告)号：US06762580B1
公开(公告)日：2004-07-13
申请号：US09931434
申请日：2001-08-16
申请人： Michael Anthony Marra, III , Randall David Mayo
发明人： Michael Anthony Marra, III , Randall David Mayo
IPC分类号： G05B902
CPC分类号： H02P6/18 , G05B11/28 , G05B11/42 , G05B13/0275 , H02P21/001 , H02P23/0013 , H02P23/14
摘要： A device for controlling the velocity of an electric motor is provided. The device combines a traditional PI (Proportional+Integral) velocity controller with a robust mapping technique that estimates the velocity of the motor. The mapping technique is based on fuzzy logic methods, and provides a robust estimate of the motor's rotational velocity by using the motor current measurement and pulse-width modulated (PWM) voltage being applied to the motor. In one embodiment the device is combined with a calibration technique which ensures the proper calibration of the motor.
摘要翻译：提供一种用于控制电动机速度的装置。该设备将传统的PI（比例+积分）速度控制器与鲁棒的映射技术相结合，可以估计电机的速度。映射技术基于模糊逻辑方法，并且通过使用电动机电流测量和施加到电动机的脉宽调制（PWM）电压来提供对电动机转速的鲁棒估计。在一个实施例中，该装置与确保电动机的适当校准的校准技术相结合。

10. 发明授权

US06604808B2 Method for determining the skew of a printhead of a printer 有权
标题翻译：确定打印机打印头偏斜的方法
公开(公告)号：US06604808B2
公开(公告)日：2003-08-12
申请号：US09898372
申请日：2001-07-03
申请人： David Golman King , Patrick Laurence Kroger , Randall David Mayo
发明人： David Golman King , Patrick Laurence Kroger , Randall David Mayo
IPC分类号： B41J29393
CPC分类号： B41J29/393
摘要： A method for determining the skew of a printhead of a printer. At least three images are printed which are at least partially aligned substantially along the printhead scan direction with the middle image printed from one of the upper and lower portions of the printhead and with the adjacent images printed from the other of the upper and lower portions of the printhead. A sensor is moved in the printhead scan direction over the images. A function is calculated from the sensor output, wherein the calculated function indicates the skew of the printhead.
摘要翻译：一种用于确定打印机的打印头的偏斜的方法。打印至少三个图像，其基本上沿着打印头扫描方向对准，其中中间图像从打印头的上部和下部中的一个打印，并且相邻图像从上部和下部中的另一个打印打印头。传感器在图像上的打印头扫描方向上移动。从传感器输出计算功能，其中所计算的功能指示打印头的偏斜。

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