CN114801502A - 基于感兴趣区的打印质量优化 - Google Patents

基于感兴趣区的打印质量优化 Download PDF

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CN114801502A
CN114801502A CN202210403307.0A CN202210403307A CN114801502A CN 114801502 A CN114801502 A CN 114801502A CN 202210403307 A CN202210403307 A CN 202210403307A CN 114801502 A CN114801502 A CN 114801502A
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T.S.苏
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Hand Held Products Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/335—Structure of thermal heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
    • B41J2/355—Control circuits for heating-element selection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
    • B41J2/355—Control circuits for heating-element selection
    • B41J2/3551—Block driving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
    • B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
    • B41J2/355—Control circuits for heating-element selection
    • B41J2/36—Print density control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/028—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by thermal printers

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Abstract

本发明涉及基于感兴趣区的打印质量优化。一种用于打印的方法包括分析针对打印区域的打印质量要求；基于要求分析来调整用于选通线的加热器元件的设置（例如，能量和/或点火持续时间）；以及向选通线提供多个单独的选通信号。选通信号可以例如用现场可编程门阵列同时地进行传输。分析打印质量要求可以包括将打印区域分成一个或多个感兴趣区域，诸如分成行和/或列。可以为每个感兴趣区域选择单独的打印质量设置（例如，暗度、对比度和/或介质灵敏度）。

Description

基于感兴趣区的打印质量优化
本案为分案申请。其母案的发明名称为“基于感兴趣区的打印质量优化”，申请日为2018年3月2日，申请号为201810174593.1。
技术领域
本发明涉及打印质量优化，并且更具体地涉及用于针对单独的感兴趣区进行打印质量调整的方法。
背景技术
一般而言，可以在同一标签上打印多个元素。例如，可以将条形码符号体系（例如，QR码、128码或39码）与字体或设计（例如，黑条或标志）相结合。大多数打印机允许仅选择统一的打印质量设置，所述统一的打印质量设置大体上与要打印的元素的集合有关，而不会单独地将针对那些元素优选的打印质量要求纳入考虑。因此，所选设置可能并非对于标签上的每个条形码符号体系、字体和设计都是最佳的。这经常导致同一标签上显示的元素之间的打印质量变化。此外，热敏打印头压力和加热器元件电阻的变化可能会进一步导致遍及同一打印标签的不同区域的打印质量变化。
已经做了几次尝试来解决这个问题。例如，由Kielland的美国专利号8,774,654公开了一种热敏打印头，其具有四组按行排列的加热元件，并通过驱动电路单独地进行控制，而选通信号以特定的模式提供给每一组。然而，该参考文献并未公开在同一标签内的期望各区上的打印质量变化。由Nureki等人的美国专利号5,809,214公开了一种具有被划分为成排的加热块的打印头的热敏打印机，所述成排的加热块由单独的驱动器单元来驱动。然而，该参考文献并未公开单独地控制加热阵列以优化标签的特定区的打印质量。由McGourty等人的美国专利号5,085,529公开了一种在打印薄板（print sheet）上进行打印的方法，所述打印薄板具有跨越其的划线（score line）。然而，该参考文献未公开在不同打印区域之间的打印质量变化。此外，该参考文献未公开具有多个加热元件的热敏打印头。由Laughlin的美国专利号7,941,750公开了能够针对不同各区调整打印质量的喷墨式打印机。然而，该参考文献与热敏打印机并不相关，并且未公开对打印头上的多个加热元件进行单独控制以控制打印介质的期望区处的打印质量。因此，没有任何参考文献提及了用热敏打印机在打印介质处的期望感兴趣区上打印不同打印质量的不同信息。
因此，存在对调整打印质量设置的方法的需要，所述方法能够虑及要在打印介质上呈现的每个元素的单独的要求。
发明内容
因此，在一个方面中，本发明包含基于将要在打印介质上打印的图像划分为感兴趣区并且针对每个区调整打印质量设置的打印质量优化。
在示例性实施例中，一种用于打印设置控制的方法包括：将要在打印介质上打印的图像划分为感兴趣区（ROI）；分析所述ROI以针对每个ROI确定打印要求；计算单独的选通持续时间并调整单独的选通信号；以及将所述选通信号传输到热敏打印头。
在另一示例性实施例中，一种用于打印的方法包括：针对打印区域分析打印质量要求；调整用于选通线的加热器元件的设置；以及向所述选通线提供单独的选通信号。
在又另一示例性实施例中，一种用于打印质量调整的方法包括：将打印区域分割成感兴趣区区段；针对每个感兴趣区区段选择打印质量设置；以及针对每个对应的感兴趣区区段调整热敏打印头加热器元件的打印参数。
在下面的详细描述及其附图内进一步解释了前述例证性概述以及本发明的其它示例性目标和/或优点以及实现它们的方式。
附图说明
图1示意性地描绘出热敏打印头电路图的示例性实施例。
图2A图示地描绘出根据实施例的被划分为感兴趣区的要在打印介质上打印的图像。
图2B图示地描绘出根据另一实施例的被划分为感兴趣区的要在打印介质上打印的图像。
图2C图示地描绘出根据又另一实施例的被划分为感兴趣区的要在打印介质上打印的图像。
图3示意性地描绘出根据实施例的用于打印设置控制的方法。
图4示意性地描绘出根据实施例的用于打印的方法。
图5示意性地描绘出根据实施例的用于打印质量调整的方法。
具体实施方式
本发明包含用于针对单独的感兴趣区进行打印质量调整的方法。
通常通过对用于要在同一打印介质（例如，标签）上打印的不同条形码符号体系和设计的要求进行平衡来确定打印机的打印质量设置，这可以导致打印质量变化。为了克服这个问题，可以将打印区域分割为成行和/或成列的感兴趣区，继之以应用对于每个感兴趣区中的每个元素来说最佳的独立的打印设置。应用于单独各区的不同打印质量设置也可以用于补偿打印介质的不同区中的暗度变化。例如，可能由于电阻和压力变化而在所打印的标签的左侧和右侧之间出现暗度变化。
图1示意性地描绘出热敏打印头电路图的示例性实施例。热敏打印头加热器元件的点火（firing）可以通过选通线（图中标记为STB1-STB6）进行控制。每个选通线可以控制一组加热器元件的点火持续时间（例如，STB1可以控制点1-256等）。通过对选通线中的每一个使用不同的选通信号，可以通过改变对应的选通持续时间来调整每个加热器元件组的能量。
图2A图示地描绘出根据实施例的被划分为感兴趣区的要在打印介质上打印的图像002。如图2A所示，感兴趣区（ROI）的第一列用第一打印线004和下一条用户定义的打印线006进行标记。ROI的最后一列用最后一条用户定义的打印线008和打印作业的最后一条打印线010进行标记。用户可以将任何打印线（例如，线012）定义为ROI的垂直分割线。每个单独的ROI可以通过其行号和/或列号进行标识。例如，图2A中示出的ROI(1,4) 014指的是由第一行和第四列所定义的ROI。行之间的距离016可以是固定的，并且由加热器元件组确定。打印方向可以被选择成从图的右手侧到图的左手侧。
图2B和2C图示地描绘出根据替换实施例的被划分为感兴趣区的要在打印介质上打印的图像002。图2B示出如何能将不同的ROI组分组在一起，并且使打印质量设置分配给各组以针对不同的符号体系和设计优化打印质量。具体地，用附图标记020标记的组A包括ROI(1,1)、ROI(2,1)、ROI(3,1)和ROI(4,1)；组B包括ROI(1,2)、ROI(2,2)和ROI(3,2)；用附图标记022标记的组C包括ROI(1,3)、ROI(2,3)和ROI(3,3)；以及用附图标记024标记的组D包括ROI(4,3)。
图2C示出如何能将不同的ROI组分组在一起，并且使打印质量设置分配给各组以补偿从标签的左侧到右侧的打印质量变化。具体地，用附图标记030标记的组A包括ROI(1,1)；用附图标记032标记的组B包括ROI(2,1)；用附图标记034标记的组C包括ROI(3,1)；以及用附图标记036标记的组D包括ROI(4,1)。
图3示出根据实施例的用于打印设置控制的方法100。在102处，将要在打印介质上打印的图像划分为多个感兴趣区。在104处，分析所述多个感兴趣区以确定针对每个感兴趣区的一个或多个打印要求。在106处，使用所确定的打印要求来计算单独的选通持续时间。在108处，使用所计算的选通持续时间来调整单独的选通信号。在110处，将选通信号传输到热敏打印头。
在实施例中，传输选通信号110可以包括同时地传输所有的选通信号。此外，同时地传输选通信号可以包括用现场可编程门阵列（FPGA）传输信号。调整单独的选通信号108可以包括调整热敏打印头的一个或多个加热器元件的能量。
图4示出根据实施例的用于打印的方法200。在202处，分析针对打印区域的一个或多个打印质量要求。在204处，基于所述要求分析来调整用于一个或多个选通线的一个或多个加热器元件的一个或多个设置。在206处，向选通线提供多个单独的选通信号。
在实施例中，调整用于加热器元件的设置204可以包括调整能量和/或点火持续时间。提供多个单独的选通信号206可以包括用基于FPGA的驱动器电路提供多个单独的选通信号。分析针对打印区域的打印质量要求202可以包括将打印区域分成一个或多个感兴趣区域。此外，将打印区域分成感兴趣区域可以包括将打印区域分成行和/或列。方法200可以进一步包括针对所述一个或多个感兴趣区域确定单独的打印质量要求。例如，打印质量要求可以包括热敏打印头的温度、压纸滚轴上的张力和/或打印速度。此外，分析打印质量要求202可以包括分析打印作业请求。
图5示出根据实施例的用于打印质量调整的方法300。在302处，将打印区域分割成感兴趣区区段。在304处，为每个感兴趣区区段选择一个或多个打印质量设置。在306处，使用所选的打印质量设置来调整用于每个对应的感兴趣区区段的一个或多个热敏打印头加热器元件的一个或多个打印参数。
在实施例中，将打印区域分割成感兴趣区区段302可以包括将打印区域分割成行。此外，方法300可以包括将打印区域分割成列。调整打印参数306可以包括调整用于一个或多个加热器组的选通持续时间。选择打印质量设置304可以包括选择暗度、对比度和/或介质灵敏度。分割打印区域302可以包括分割具有一个或多个条形码和/或一个或多个设计的打印区域。
设备和方法组成意在仅示出与理解本公开内容的实施例相关的那些具体细节，以免用对受益于本文中描述的本领域技术人员将是容易地显而易见的细节模糊本公开内容。在各种实施例中，在本文中所公开的示例性实施例中出现的元素的顺序可以变化。可以同时地或以不同于元素在示例性实施例中出现的顺序的次序来执行两个或更多个方法步骤。
在本说明书和/或图中，已经公开了本发明的典型实施例。本发明不限于这样的示例性实施例。术语“和/或”的使用包括相关联的列出项目中的一个或多个的任何和所有组合。各图是示意性表示，并因此不一定按比例绘制。除非另有说明，否则具体术语是以一般性和描述性的意义来使用的，而不是为了限制的目的而使用的。

Claims (10)

1.一种打印机，包括：
热敏打印头，包括多个加热器元件；以及
驱动器电路，其通信地耦合到所述热敏打印头，其中，所述驱动器电路被配置为：
将一个或多个单独的选通信号同时传输到所述多个加热器元件中的一个或多个加热器元件，
基于单独的选通持续时间来调整所述单独的选通信号，其中所述单独的选通持续时间是基于一个或多个打印要求确定的，其中所述一个或多个打印要求是基于对要打印的图像中的一个或多个感兴趣区（ROI）的分析确定的，并且其中要打印的图像被划分成所述一个或多个ROI。
2.根据权利要求1所述的打印机，其中，所述热敏打印头还包括选通线，所述选通线被配置为利用所述驱动器电路来控制所述多个加热器元件中的至少一组加热器元件的点火持续时间。
3.根据权利要求2所述的打印机，其中，所述驱动器电路被配置为基于所述单独的选通持续时间来调整所述一个或多个单独的选通信号。
4.根据权利要求1所述的打印机，还包括选通线，所述选通线被配置为利用所述驱动器电路来控制所述多个加热器元件中的至少一组加热器元件的能量。
5.根据权利要求1所述的打印机，其中，所述打印要求包括热敏打印头的温度、压纸滚轴上的张力或打印速度中的一个或多个。
6.根据权利要求1所述的打印机，其中，所述驱动器电路是基于FPGA的驱动器电路。
7.根据权利要求1所述的打印机，其中，用现场可编程门阵列来同时传输调整后的单独的选通信号。
8.一种打印机，包括：
热敏打印头，包括多个加热器元件；以及
驱动器电路，其通信地耦合到所述热敏打印头，
其中，所述驱动器电路被配置为：
将一个或多个单独的选通信号同时传输到所述多个加热器元件中的一个或多个加热器元件，
基于单独的选通持续时间来调整所述单独的选通信号，
其中，所述单独的选通持续时间是基于热敏打印头的温度、压纸滚轴上的张力以及打印速度中的一个或多个确定的，
其中，所述一个或多个打印要求是基于对要打印的图像中的一个或多个感兴趣区（ROI）的分析确定的，并且
其中，要打印的图像被划分成所述一个或多个ROI。
9.根据权利要求8所述的打印机，其中，所述热敏打印头还包括选通线，所述选通线被配置为利用所述驱动器电路来控制所述多个加热器元件中的至少一组加热器元件的点火持续时间。
10.根据权利要求9所述的打印机，其中，所述驱动器电路被配置为基于所述单独的选通持续时间来调整所述一个或多个单独的选通信号。
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US20210229461A1 (en) 2021-07-29
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US11745516B2 (en) 2023-09-05
US10710375B2 (en) 2020-07-14
US11014374B2 (en) 2021-05-25
US20200039236A1 (en) 2020-02-06
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US20180361757A1 (en) 2018-12-20
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