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    Thermal print head temperature estimation system
    1.
    发明申请
    Thermal print head temperature estimation system 失效
    热敏打印头温度估算系统

    公开(公告)号：US20070064083A1

    公开(公告)日：2007-03-22

    申请号：US11524476

    申请日：2006-09-20

    Applicant: Suhail Saquib ,  Brian Busch

    Inventor： Suhail Saquib ,  Brian Busch

    IPC: B41J2/00

    CPC classification number: B41J2/355

    Abstract: A method estimates the temperature of a thermal print head element during printing. In one embodiment, the temperature is estimated using the resistance of the thermal print head element, which typically changes with the print head element temperature. The change in resistance of the print head element is exploited to indirectly estimate the temperature of the print head element.

    Abstract translation: 一种方法估计打印期间热打印头元件的温度。 在一个实施例中，使用热打印头元件的电阻来估计温度，该打印头元件通常随打印头元件温度而变化。 利用打印头元件的电阻变化来间接估计打印头元件的温度。

    Printer color correction
    2.
    发明申请
    Printer color correction 有权
    打印机颜色校正

    公开(公告)号：US20050093923A1

    公开(公告)日：2005-05-05

    申请号：US10818883

    申请日：2004-04-06

    Applicant: Brian Busch ,  Daniel Bybell ,  William Donovan ,  Felix Lin ,  Suhail Saquib ,  Jay Thornton

    Inventor： Brian Busch ,  Daniel Bybell ,  William Donovan ,  Felix Lin ,  Suhail Saquib ,  Jay Thornton

    IPC: H04N1/60 ,  B41J1/00

    CPC classification number: H04N1/6033

    Abstract: Techniques are disclosed for performing color correction in a color printer. An RGB test image is printed to produce a printed calibration image. Colors in the printed calibration image are measured and compared to expected color values. A color corrector generates a printer lookup table (LUT) based on this comparison. The LUT may be generated based on models of the printer's print engine and previous LUTs. The color corrections are applied to subsequent print jobs to improve the quality of color output. Color measurement and correction may be performed using a closed-loop system contained within the printer that includes a color measurement device (such as a scanner) and a computer.

    Abstract translation: 公开了用于在彩色打印机中执行颜色校正的技术。 打印RGB测试图像以产生打印的校准图像。 测量印刷校准图像中的颜色并将其与预期颜色值进行比较。 颜色校正器基于该比较生成打印机查找表（LUT）。 LUT可以基于打印机的打印引擎和先前的LUT的模型生成。 颜色校正应用于后续打印作业，以提高颜色输出的质量。 可以使用包含在包括彩色测量装置（例如扫描仪）和计算机的打印机内的闭环系统来执行颜色测量和校正。

    Thermal response correction system
    3.
    发明申请
    Thermal response correction system 有权
    热响应校正系统

    公开(公告)号：US20050007438A1

    公开(公告)日：2005-01-13

    申请号：US10910880

    申请日：2004-08-04

    Applicant: Brian Busch ,  Suhail Saquib ,  William Vetterling

    Inventor： Brian Busch ,  Suhail Saquib ,  William Vetterling

    IPC: B41J2/36 ,  B41J2/365 ,  B41J11/00 ,  B41J33/00

    CPC classification number: B41J2/3555 ,  B41J2/36 ,  B41J2/365

    Abstract: Techniques are disclosed for performing thermal history control in a thermal printer in which a single thermal print head prints sequentially on multiple color-forming layers in a single pass. Each pixel-printing interval may be divided into subintervals, which may be of unequal duration. Each sub-interval may be used to print a different color. The manner in which the input energy to be provided to each print head element is selected may be varied for each of the subintervals. For example, although a single thermal model may be used to predict the temperature of the print head elements in each of the subintervals, different parameters may be used in the different subintervals. Similarly, different energy computation functions may be used to compute the energy to be provided to the print head in each of the subintervals based on the predicted print head temperature.

    Abstract translation: 公开了用于在热打印机中执行热历史控制的技术，其中单个热打印头在单次通过中顺序地在多个成色层上打印。 每个像素打印间隔可以被划分为可能具有不等长度的子间隔。 每个子间隔可以用于打印不同的颜色。 选择提供给每个打印头元件的输入能量的方式可以针对每个子区间而变化。 例如，虽然可以使用单个热模型来预测每个子区间中的打印头元件的温度，但是不同的参数可以用于不同的子区间。 类似地，可以使用不同的能量计算功能来基于预测的打印头温度计算要在每个子区间中提供给打印头的能量。

    Thermal response correction system
    4.
    发明申请
    Thermal response correction system 有权
    热响应校正系统

    公开(公告)号：US20080040066A1

    公开(公告)日：2008-02-14

    申请号：US11888764

    申请日：2007-08-02

    Applicant: Brian Busch ,  Suhail Saquib ,  William Vetterling

    Inventor： Brian Busch ,  Suhail Saquib ,  William Vetterling

    IPC: G01K11/00 ,  B41J2/00

    CPC classification number: B41J2/365 ,  B41J2/3555 ,  B41J2/36

    Abstract: A model of a thermal print head is provided that models the thermal response of thermal print head elements to the provision of energy to the print head elements over time. The amount of energy to provide to each of the print head elements during a print head cycle to produce a spot having the desired density is calculated based on: (1) the desired density to be produced by the print head element during the print head cycle, (2) the predicted temperature of the print head element at the beginning of the print head cycle, (3) the ambient printer temperature at the beginning of the print head cycle, and (4) the ambient relative humidity.

    Abstract translation: 提供热打印头的型号，其模拟热打印头元件的热响应，以便随着时间向打印头元件提供能量。 在打印头循环期间，为了产生具有期望密度的点而提供给每个打印头元件的能量的量基于：（1）打印头周期期间由打印头元件产生的期望密度 ，（2）打印头周期开始时的打印头元件的预测温度，（3）打印头循环开始时的环境打印机温度，以及（4）环境相对湿度。

    Print head pulsing techniques for multicolor printers
    7.
    发明授权
    Print head pulsing techniques for multicolor printers 有权
    多色打印机的打印头脉冲技术

    公开(公告)号：US07791626B2

    公开(公告)日：2010-09-07

    申请号：US12022955

    申请日：2008-01-30

    Applicant: Brian Busch ,  Chien Liu ,  Stephen J. Telfer ,  William T. Vetterling ,  Peter Zelten

    Inventor： Brian Busch ,  Chien Liu ,  Stephen J. Telfer ,  William T. Vetterling ,  Peter Zelten

    IPC: B41J2/35

    CPC classification number: B41J2/35 ,  B41J2/355 ,  B41J2/5056 ,  H04N1/3876

    Abstract: In one aspect of the invention there is disclosed a multicolor thermal imaging system wherein different heating elements on a thermal print head can print on different color-forming layers of a multicolor thermal imaging member in a single pass. The line-printing time is divided into segments, each of which is divided into a plurality of subintervals. All of the pulses within the segments have the same energy. In one embodiment, every pulse has the same amplitude and duration. Different colors are selected for printing during the different segments by varying the fraction of subintervals that contain pulses. This technique allows multiple colors to be printed using a thermal print head with a single strobe signal line. Pulsing patterns may be chosen to reduce the coincidence of pulses provided to multiple print head elements, thereby reducing the peak power requirements of the print head.

    Abstract translation: 在本发明的一个方面，公开了一种多色热成像系统，其中热打印头上的不同加热元件可以在单次通过中在多色热成像构件的不同成色层上印刷。 行打印时间被划分成段，每个段被分成多个子区间。 段内的所有脉冲具有相同的能量。 在一个实施例中，每个脉冲具有相同的幅度和持续时间。 通过改变包含脉冲的子区间的分数来选择不同的颜色来在不同的段中进行打印。 该技术允许使用具有单个选通信号线的热打印头来打印多种颜色。 可以选择脉冲图案以减少提供给多个打印头元件的脉冲的一致性，从而降低打印头的峰值功率要求。

    PRINT HEAD PULSING TECHNIQUES FOR MULTICOLOR PRINTERS
    9.
    发明申请
    PRINT HEAD PULSING TECHNIQUES FOR MULTICOLOR PRINTERS 有权
    打印头打印头打印技术

    公开(公告)号：US20110050829A1

    公开(公告)日：2011-03-03

    申请号：US12873796

    申请日：2010-09-01

    Applicant: Brian Busch ,  Chien Liu ,  Stephen J. Telfer ,  William T. Vetterling ,  Peter Zelten

    Inventor： Brian Busch ,  Chien Liu ,  Stephen J. Telfer ,  William T. Vetterling ,  Peter Zelten

    IPC: B41J2/35

    CPC classification number: B41J2/35 ,  B41J2/355 ,  B41J2/5056 ,  H04N1/3876

    Abstract: In one aspect of the invention there is disclosed a multicolor thermal imaging system wherein different heating elements on a thermal print head can print on different color-forming layers of a multicolor thermal imaging member in a single pass. The line-printing time is divided into segments, each of which is divided into a plurality of subintervals. All of the pulses within the segments have the same energy. In one embodiment, every pulse has the same amplitude and duration. Different colors are selected for printing during the different segments by varying the fraction of subintervals that contain pulses. This technique allows multiple colors to be printed using a thermal print head with a single strobe signal line. Pulsing patterns may be chosen to reduce the coincidence of pulses provided to multiple print head elements, thereby reducing the peak power requirements of the print head.

    Abstract translation: 在本发明的一个方面，公开了一种多色热成像系统，其中热打印头上的不同加热元件可以在单次通过中在多色热成像构件的不同成色层上印刷。 行打印时间被划分成段，每个段被分成多个子区间。 段内的所有脉冲具有相同的能量。 在一个实施例中，每个脉冲具有相同的幅度和持续时间。 通过改变包含脉冲的子区间的分数来选择不同的颜色来在不同的段中进行打印。 该技术允许使用具有单个选通信号线的热打印头来打印多种颜色。 可以选择脉冲图案以减少提供给多个打印头元件的脉冲的一致性，从而降低打印头的峰值功率要求。

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