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1. 发明授权

US07880930B2 Reducing printhead process color non-uniformities in a direct marking device 有权
标题翻译：在直接打标设备中减少打印头处理颜色不均匀性
公开(公告)号：US07880930B2
公开(公告)日：2011-02-01
申请号：US12122762
申请日：2008-05-19
申请人： Yeqing Zhang , Howard A. Mizes , Meng Yao , Susan J. Zoltner
发明人： Yeqing Zhang , Howard A. Mizes , Meng Yao , Susan J. Zoltner
IPC分类号： H04N1/60 , H04N1/46 , G03F3/08 , G06K9/00 , G06K9/40
CPC分类号： H04N1/58
摘要： What is disclosed is a novel system and method for reducing process color banding due to printhead non-uniformities in a direct marking device. In one example, a first measurement of a printhead spatial non-uniformity is obtained along a first line in a color space which produces a spatial uniformity when a target primary color is printed alone. A first spatial tone reproduction curve is generated. A second measurement of the printhead spatial non-uniformity is obtained along a second line in color space in a coverage area of a process color which maximally changes a halftone structure of the target primary color. A second spatial TRC is generated. The first and second spatial TRCs are combined using a weighted average which balances the primary and process colors. A modified spatial TRC is generated. The printhead is adjusted at a location of the target primary color according to the modified spatial TRC.
摘要翻译：公开的是一种用于在直接标记装置中由于打印头不均匀性而减少处理颜色带的新型系统和方法。在一个示例中，当单独打印目标原色时，沿着产生空间均匀性的颜色空间中的第一行获得打印头空间不均匀性的第一测量。产生第一空间色调再现曲线。在最大程度上改变目标原色的半色调结构的处理颜色的覆盖区域中，沿色彩空间中的第二行获得打印头空间不均匀性的第二测量。产生第二空间TRC。第一和第二空间TRC使用平衡主要和过程颜色的加权平均数进行组合。生成修改后的空间TRC。根据改进的空间TRC，将打印头调整到目标原色的位置。

2. 发明授权

US08300266B2 System and method for adjusting operation of printheads in an ink printing device 有权
标题翻译：用于调整墨水打印装置中的打印头的操作的系统和方法
公开(公告)号：US08300266B2
公开(公告)日：2012-10-30
申请号：US12402557
申请日：2009-03-12
申请人： Andrew S. Yeh , Bhaskar T. Ramakrishnan , Kelly D. Sims , Katie Maria Teslow , Luo Cheng , George Laurens Taylor , John Alan Durbin , Ernest I. Esplin , Howard A. Mizes , Joel Chan , Ngoc-Diep Thi Nguyen , Susan J. Zoltner , Yeqing Zhang , Lisa Schmidt , Kenneth R. Chamberlain , Matthew Hudson Dixon , Steven Van Cleve Korol , James B. Campbell , Russell J. Watt
发明人： Andrew S. Yeh , Bhaskar T. Ramakrishnan , Kelly D. Sims , Katie Maria Teslow , Luo Cheng , George Laurens Taylor , John Alan Durbin , Ernest I. Esplin , Howard A. Mizes , Joel Chan , Ngoc-Diep Thi Nguyen , Susan J. Zoltner , Yeqing Zhang , Lisa Schmidt , Kenneth R. Chamberlain , Matthew Hudson Dixon , Steven Van Cleve Korol , James B. Campbell , Russell J. Watt
IPC分类号： G06K15/10 , H04N1/00
CPC分类号： H04N1/00015 , H04N1/00023 , H04N1/00031 , H04N1/00045 , H04N1/00053 , H04N1/00063 , H04N1/00068 , H04N1/00087 , H04N1/0009 , H04N1/2346 , H04N1/40025 , H04N1/4015
摘要： A method evaluates image quality in an ink printing system and generates data values for altering the operation of the ink printing system. The method includes generating an ink image on an ink image receiving member that corresponds to a digital image stored in the ink printing system, generating a scanned image signal corresponding to the ink image, generating firing signal waveform adjustments and image data adjustments with reference to the scanned image signal corresponding to the ink image, and operating a printhead in an ink imaging system with reference to the firing signal waveform adjustments and the image data adjustments.
摘要翻译：一种方法评估油墨打印系统中的图像质量，并产生用于改变油墨打印系统的操作的数据值。该方法包括在油墨图像接收部件上产生与存储在油墨打印系统中的数字图像相对应的油墨图像，产生对应于油墨图像的扫描图像信号，产生点火信号波形调整和图像数据调节扫描图像信号，并且参照点火信号波形调节和图像数据调整来操作墨水成像系统中的打印头。

3. 发明申请

US20100232652A1 System And Method For Adjusting Operation Of Printheads In An Ink Printing Device 有权
标题翻译：用于调节墨水打印装置中打印头操作的系统和方法
公开(公告)号：US20100232652A1
公开(公告)日：2010-09-16
申请号：US12402557
申请日：2009-03-12
申请人： Andrew S. Yeh , Bhaskar T. Ramakrishnan , Kelly D. Sims , Katie Maria Teslow , Luo Cheng , George Laurens Taylor , John Alan Durbin , Ernest I. Esplin , Howard A. Mizes , Joel Chan , Ngoc-Diep Thi Nguyen , Susan J. Zoltner , Yeqing Zhang , Lisa Schmidt , Kenneth R. Chamberlain , Matthew Hudson Dixon , Steven Van Cleve Korol , James B. Campbell , Russell J. Watt
发明人： Andrew S. Yeh , Bhaskar T. Ramakrishnan , Kelly D. Sims , Katie Maria Teslow , Luo Cheng , George Laurens Taylor , John Alan Durbin , Ernest I. Esplin , Howard A. Mizes , Joel Chan , Ngoc-Diep Thi Nguyen , Susan J. Zoltner , Yeqing Zhang , Lisa Schmidt , Kenneth R. Chamberlain , Matthew Hudson Dixon , Steven Van Cleve Korol , James B. Campbell , Russell J. Watt
IPC分类号： G06K9/00
CPC分类号： H04N1/00015 , H04N1/00023 , H04N1/00031 , H04N1/00045 , H04N1/00053 , H04N1/00063 , H04N1/00068 , H04N1/00087 , H04N1/0009 , H04N1/2346 , H04N1/40025 , H04N1/4015
摘要： A method evaluates image quality in an ink printing system and generates data values for altering the operation of the ink printing system. The method includes generating an ink image on an ink image receiving member that corresponds to a digital image stored in the ink printing system, generating a scanned image signal corresponding to the ink image, generating firing signal waveform adjustments and image data adjustments with reference to the scanned image signal corresponding to the ink image, and operating a printhead in an ink imaging system with reference to the firing signal waveform adjustments and the image data adjustments.
摘要翻译：一种方法评估油墨打印系统中的图像质量，并产生用于改变油墨打印系统的操作的数据值。该方法包括在油墨图像接收部件上产生与存储在油墨打印系统中的数字图像相对应的油墨图像，产生与油墨图像相对应的扫描图像信号，产生点火信号波形调整和图像数据调节扫描图像信号，并且参照点火信号波形调节和图像数据调整来操作墨水成像系统中的打印头。

4. 发明授权

US06816269B1 Method and apparatus for electronic registration in a binary image path 有权
标题翻译：用于二进制图像路径中的电子注册的方法和装置
公开(公告)号：US06816269B1
公开(公告)日：2004-11-09
申请号：US09666706
申请日：2000-09-21
申请人： Robert P. Loce , Yeqing Zhang , Martin E. Banton , Nancy B. Goodman , Susan J. Zoltner , Steve P. Hoover
发明人： Robert P. Loce , Yeqing Zhang , Martin E. Banton , Nancy B. Goodman , Susan J. Zoltner , Steve P. Hoover
IPC分类号： G06F1500
CPC分类号： H04N1/047 , H04N1/1135 , H04N1/12 , H04N2201/02439 , H04N2201/04787 , H04N2201/04794
摘要： A registration system for image data in a binary image path includes a registration parameter source, such as a preprogrammed memory or a dynamic device, which provides registration parameters to correct for registration errors from a predetermined reference likely or predicted to occur during image output. A warping processor is in data communication with the registration parameter source which applies a selected registration parameter to an element of the image data resulting in a warped data element, minimizing the effects of the registration error. The system optionally includes an image reducing device which receives groups of high addressable binary image data and converts them to a single pixel. The pixel is then provided to the warping processor. The warping processor applies the selected registration parameter, either static or dynamically selected, from the registration parameter source to the averaged single pixel producing a warped data element. The warped data element is then optionally provided to a tone reproduction curve calibrator which adjusts for darkness errors induced by the warping or displacement of the warped data element. The calibrated pixel is then re-rendered by a processor which processes the calibrated pixel back into a plurality of print-ready data elements. The processor estimates quantization errors induced by the warping of the pixel positioning and disperses that error to following pixels. The print-ready data elements are provided to an image output terminal which produces a physical representation of the original binary image.

5. 发明申请

US20110279503A1 Method And System For Measuring And Compensating For Process Direction Artifacts In An Optical Imaging System In An Inkjet Printer 有权
标题翻译：用于在喷墨打印机中的光学成像系统中测量和补偿过程方向人工制品的方法和系统
公开(公告)号：US20110279503A1
公开(公告)日：2011-11-17
申请号：US12780654
申请日：2010-05-14
申请人： Howard A. Mizes , Helen HaeKyung Shin , Yeqing Zhang
发明人： Howard A. Mizes , Helen HaeKyung Shin , Yeqing Zhang
IPC分类号： B41J29/38
CPC分类号： B41J29/393 , B41J3/543 , B41J2029/3935
摘要： A printer operating method enables a controller to identify process direction errors in an optical imaging system. The method includes identifying a printhead roll error for each printhead in a plurality of printheads in a printer, moving each printhead by an amount that corrects the printhead roll error for the corresponding printhead, generating a plurality of dashes on media with the plurality of printheads as the media moves past the plurality of printheads, identifying a position for each dash in the process direction from image data of the plurality of dashes on the media, identifying a displacement in the process direction for each optical detector in a linear array of optical detectors used to generated the image data of the plurality of dashes, the displacement being identified with reference to the identified positions for the dashes, and operating the printer to compensate for the identified displacements of the optical detectors.
摘要翻译：打印机操作方法使得控制器能够识别光学成像系统中的过程方向误差。该方法包括识别打印机中的多个打印头中的每个打印头的打印头滚动误差，使每个打印头移动一定量，该量可校正相应打印头的打印头滚动误差，在多个打印头的介质上产生多个破折号，介质移动通过多个打印头，从介质上的多个破折号的图像数据中识别处理方向上每个破折号的位置，识别所使用的光学检测器的线性阵列中每个光学检测器的处理方向上的位移为了产生多个破折号的图像数据，该位移是参考用于破折号的识别的位置来识别的，并且操作打印机以补偿所识别出的光学检测器的位移。

6. 发明授权

US08602518B2 Test pattern effective for coarse registration of inkjet printheads and methods of analysis of image data corresponding to the test pattern in an inkjet printer 有权
标题翻译：用于喷墨打印头的粗略配准的测试图案以及与喷墨打印机中的测试图案对应的图像数据的分析方法
公开(公告)号：US08602518B2
公开(公告)日：2013-12-10
申请号：US12754730
申请日：2010-04-06
申请人： Howard A. Mizes , Michael C. Mongeon , Helen HaeKyung Shin , Yeqing Zhang
发明人： Howard A. Mizes , Michael C. Mongeon , Helen HaeKyung Shin , Yeqing Zhang
IPC分类号： B41J29/393
CPC分类号： B41J2/2142 , B41J2/2146
摘要： A test pattern printed by printheads in an inkjet printer enables image analysis of the test pattern that identifies positions of the printheads and the inkjets operating in the printheads. The test pattern includes a plurality of arrangements of dashes, each arrangement of dashes having a predetermined number of rows and a predetermined number of columns, each dash in a row of dashes in the arrangement of dashes being separated by a first predetermined distance and each dash in a column of dashes in the arrangement of dashes being separated by a second predetermined distance, each dash in a column of an arrangement of dashes being ejected by a single inkjet ejector in a printhead of the inkjet printer, and a plurality of unprinted areas interspersed between the plurality of arrangements of dashes.
摘要翻译：由喷墨打印机中的打印头打印的测试图案使得能够对识别打印头和在打印头中操作的喷墨打印头的位置的测试图案进行图像分析。测试图案包括多个虚线的布置，每个排列的虚线具有预定数量的行和预定数量的列，每一个以划线的排列划分为虚线的排列间隔第一预定距离，并且每个划线在以划分第二预定距离的虚线排列的虚线栏中，由喷墨打印机的打印头中的单个喷墨喷射器排列的虚线排列中的每个划痕，并且散布着多个未打印区域在多个布置的破折号之间。

7. 发明授权

US08317291B2 System and method for attenuating rotating member contamination affecting uniformity measurements in an inkjet imaging device 有权
标题翻译：用于衰减影响喷墨成像装置中的均匀性测量的旋转部件污染的系统和方法
公开(公告)号：US08317291B2
公开(公告)日：2012-11-27
申请号：US12621356
申请日：2009-11-18
申请人： Howard A. Mizes , Yeqing Zhang
发明人： Howard A. Mizes , Yeqing Zhang
IPC分类号： B41J29/393
CPC分类号： H04N1/4015
摘要： A method enables an inkjet printing system to attenuate image noise in an image of a test strip obtained as print media bearing the test strip travels over a roller in the printing system. The method includes illuminating blank media as the media travels over a rotating member, generating electrical signals corresponding to light reflected by the blank media as the blank media travels over the rotating member, converting the electrical signals to image data of the blank media, printing a test strip on media, illuminating the media as the media on which the test strip is printed travels over the rotating member, generating electrical signals corresponding to light reflected by the media as the media on which the test strip is printed travels over the rotating member, converting the electrical signals to image data of the media on which the test strip is printed, modifying the image data of the media on which the test strip is printed with the image data of the blank media, and storing the modified image data in memory.
摘要翻译：一种方法使得喷墨打印系统能够衰减作为打印介质的测试条的图像中的图像噪声，该打印介质承载测试条在打印系统中的辊上行进。该方法包括当介质在旋转构件上行进时照射空白介质，当空白介质在旋转构件上行进时，产生对应于由空白介质反射的光的电信号，将电信号转换成空白介质的图像数据，介质上的测试条，当印刷有测试条的介质在旋转构件上行进时照射介质，产生对应于介质反射的光的电信号，因为其上印刷有测试条的介质在旋转构件上行进，将电信号转换成其上印有测试条的介质的图像数据，用空白介质的图像数据修改打印有测试条的介质的图像数据，并将修改的图像数据存储在存储器中。

8. 发明申请

US20110242186A1 Test Pattern Effective For Coarse Registration Of Inkjet Printheads And Method Of Analysis Of Image Data Corresponding To The Test Pattern In An Inkjet Printer 有权
标题翻译：用于喷墨打印头粗略对准的测试图案以及与喷墨打印机中测试图案对应的图像数据分析方法
公开(公告)号：US20110242186A1
公开(公告)日：2011-10-06
申请号：US12754730
申请日：2010-04-06
申请人： Howard A. Mizes , Michael C. Mongeon , Helen HaeKyung Shin , Yeqing Zhang
发明人： Howard A. Mizes , Michael C. Mongeon , Helen HaeKyung Shin , Yeqing Zhang
IPC分类号： B41J29/393
CPC分类号： B41J2/2142 , B41J2/2146
摘要： A test pattern printed by printheads in an inkjet printer enables image analysis of the test pattern that identifies positions of the printheads and the inkjets operating in the printheads. The test pattern includes a plurality of arrangements of dashes, each arrangement of dashes having a predetermined number of rows and a predetermined number of columns, each dash in a row of dashes in the arrangement of dashes being separated by a first predetermined distance and each dash in a column of dashes in the arrangement of dashes being separated by a second predetermined distance, each dash in a column of an arrangement of dashes being ejected by a single inkjet ejector in a printhead of the inkjet printer, and a plurality of unprinted areas interspersed between the plurality of arrangements of dashes.
摘要翻译：由喷墨打印机中的打印头打印的测试图案使得能够对识别打印头和在打印头中操作的喷墨打印头的位置的测试图案进行图像分析。测试图案包括多个虚线的布置，每个排列的虚线具有预定数量的行和预定数量的列，每一个以划线的排列划分为虚线的排列间隔第一预定距离，并且每个划线在以划分第二预定距离的虚线排列的虚线栏中，由喷墨打印机的打印头中的单个喷墨喷射器排列的虚线排列中的每个划痕，并且散布着多个未打印区域在多个布置的破折号之间。

9. 发明申请

US20110116123A1 System And Method For Attenuating Rotating Member Contamination Affecting Uniformity Measurements In An Inkjet Imaging Device 有权
标题翻译：在喷墨成像装置中影响均匀性测量的旋转构件污染物的衰减系统和方法
公开(公告)号：US20110116123A1
公开(公告)日：2011-05-19
申请号：US12621356
申请日：2009-11-18
申请人： Howard A. Mizes , Yeqing Zhang
发明人： Howard A. Mizes , Yeqing Zhang
IPC分类号： G06F15/00
CPC分类号： H04N1/4015
摘要： A method enables an inkjet printing system to attenuate image noise in an image of a test strip obtained as print media bearing the test strip travels over a roller in the printing system. The method includes illuminating blank media as the media travels over a rotating member, generating electrical signals corresponding to light reflected by the blank media as the blank media travels over the rotating member, converting the electrical signals to image data of the blank media, printing a test strip on media, illuminating the media as the media on which the test strip is printed travels over the rotating member, generating electrical signals corresponding to light reflected by the media as the media on which the test strip is printed travels over the rotating member, converting the electrical signals to image data of the media on which the test strip is printed, modifying the image data of the media on which the test strip is printed with the image data of the blank media, and storing the modified image data in memory.
摘要翻译：一种方法使得喷墨打印系统能够衰减作为打印介质的测试条的图像中的图像噪声，该打印介质承载测试条在打印系统中的辊上行进。该方法包括当介质在旋转构件上行进时照射空白介质，当空白介质在旋转构件上行进时，产生对应于由空白介质反射的光的电信号，将电信号转换成空白介质的图像数据，介质上的测试条，当印刷有测试条的介质在旋转构件上行进时照射介质，产生对应于介质反射的光的电信号，因为其上印刷有测试条的介质在旋转构件上行进，将电信号转换成其上印有测试条的介质的图像数据，用空白介质的图像数据修改打印有测试条的介质的图像数据，并将修改的图像数据存储在存储器中。

10. 发明授权

US08262190B2 Method and system for measuring and compensating for process direction artifacts in an optical imaging system in an inkjet printer 有权
标题翻译：用于测量和补偿喷墨打印机中的光学成像系统中的工艺方向假象的方法和系统
公开(公告)号：US08262190B2
公开(公告)日：2012-09-11
申请号：US12780654
申请日：2010-05-14
申请人： Howard A. Mizes , Helen HaeKyung Shin , Yeqing Zhang
发明人： Howard A. Mizes , Helen HaeKyung Shin , Yeqing Zhang
IPC分类号： B41J29/393
CPC分类号： B41J29/393 , B41J3/543 , B41J2029/3935
摘要： A printer operating method enables a controller to identify process direction errors in an optical imaging system. The method includes identifying a printhead roll error for each printhead in a plurality of printheads in a printer, moving each printhead by an amount that corrects the printhead roll error for the corresponding printhead, generating a plurality of dashes on media with the plurality of printheads as the media moves past the plurality of printheads, identifying a position for each dash in the process direction from image data of the plurality of dashes on the media, identifying a displacement in the process direction for each optical detector in a linear array of optical detectors used to generated the image data of the plurality of dashes, the displacement being identified with reference to the identified positions for the dashes, and operating the printer to compensate for the identified displacements of the optical detectors.
摘要翻译：打印机操作方法使得控制器能够识别光学成像系统中的过程方向误差。该方法包括识别打印机中的多个打印头中的每个打印头的打印头滚动误差，使每个打印头移动一定量，该量可校正相应打印头的打印头滚动误差，在多个打印头的介质上产生多个破折号，介质移动通过多个打印头，从介质上的多个破折号的图像数据中识别处理方向上每个破折号的位置，识别所使用的光学检测器的线性阵列中每个光学检测器的处理方向上的位移为了产生多个破折号的图像数据，该位移是参考用于破折号的识别的位置来识别的，并且操作打印机以补偿所识别出的光学检测器的位移。

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