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    • 2. 发明授权
    • Toner concentration control for an imaging system
    • 成像系统的调色剂浓度控制
    • US06175698B1
    • 2001-01-16
    • US09428615
    • 1999-10-27
    • Mark A. ScheuerJohn BuraniczPatricia J. DonaldsonPaul A. GarsinEric M. GrossEric S. HambyDaniel W. MacDonaldPrasad PadmanabhanEdward W. Smith, Jr.Joseph W. Ward
    • Mark A. ScheuerJohn BuraniczPatricia J. DonaldsonPaul A. GarsinEric M. GrossEric S. HambyDaniel W. MacDonaldPrasad PadmanabhanEdward W. Smith, Jr.Joseph W. Ward
    • G03G1508
    • G03G15/0849G03G15/0853G03G2215/017
    • The present invention generally relates to an imaging system, and more specifically, a method and apparatus for accurately predicting toner usage and hence toner dispensing requirements in an imaging system. The toner concentration control system maintains toner concentration in a developer structure, which is connected to a dispenser containing toner. The toner concentration control system includes a toner mass estimator providing a toner mass estimate of the toner mass in the developer structure to be applied to the photoreceptor; a feed forward dispense unit receiving the toner mass estimate and transmitting a feed forward dispense command based on the toner mass estimate; a toner concentration target adjusted by toner age, toner break-in and temperature in the developer structure; a feed back dispense unit receiving the adjusted toner concentration target and transmitting a feedback dispense command; and a total dispense unit receiving the feed forward dispense command and the feedback dispense command, and outputting total dispense command to the dispenser, which dispenses the toner to the developer structure in accordance with the total dispense command.
    • 本发明一般涉及一种成像系统,更具体地说,涉及用于准确地预测成像系统中的调色剂使用情况以及因此调色剂分配需求的方法和装置。 调色剂浓度控制系统保持显影剂结构中的调色剂浓度,其连接到包含调色剂的分配器。 调色剂浓度控制系统包括调色剂质量估计器,其提供将要施加到感光体的显影剂结构中的调色剂质量的调色剂质量估计; 接收调色剂质量估计的前馈分配单元和基于调色剂质量估计传送前馈分配命令; 通过调色剂老化,调色剂破碎和显影剂结构中的温度调节的调色剂浓度目标; 接收经调节的调色剂浓度目标并发送反馈分配命令的反馈分配单元; 以及总分配单元,其接收前馈分配指令和反馈分配命令,并且将总分配命令输出到分配器,分配器根据总分配命令将调色剂分配给显影剂结构。
    • 3. 发明授权
    • Feed forward and feedback toner concentration control for an imaging
system
    • 成像系统的前馈和反馈调色剂浓度控制
    • US6160971A
    • 2000-12-12
    • US428341
    • 1999-10-27
    • Mark A. ScheuerJohn BuraniczPatricia J. DonaldsonPaul A. GarsinEric M. GrossEric S. HambyDaniel W. MacDonaldPrasad PadmanabhanEdward W. Smith, Jr.Joseph W. Ward
    • Mark A. ScheuerJohn BuraniczPatricia J. DonaldsonPaul A. GarsinEric M. GrossEric S. HambyDaniel W. MacDonaldPrasad PadmanabhanEdward W. Smith, Jr.Joseph W. Ward
    • G03G15/08
    • G03G15/0849G03G15/0853
    • The present invention generally relates to an imaging system, and more specifically, a method and apparatus for accurately predicting toner usage and hence toner dispensing requirements in an imaging system. More specifically, the present invention relates to a toner concentration control system for maintaining toner concentration in a developer structure, which is connected to a dispenser containing toner. The toner concentration control system includes a toner mass estimator providing a toner mass estimate of the toner mass in the developer structure to be applied to the photoreceptor; a feed forward dispense unit receiving the toner mass estimate and transmitting a feed forward dispense command based on the toner mass estimate; a toner concentration target adjusted for toner break-in in the developer structure; a feed back dispense unit receiving the adjusted toner concentration target and transmitting a feedback dispense command; and a total dispense unit receiving the feed forward dispense command and the feedback dispense command, and outputting total dispense command to the dispenser, which dispenses the toner to the developer structure in accordance with the total dispense command.
    • 本发明一般涉及一种成像系统,更具体地说,涉及用于准确地预测成像系统中的调色剂使用情况以及因此调色剂分配需求的方法和装置。 更具体地说,本发明涉及一种用于维持显影结构中的调色剂浓度的调色剂浓度控制系统,该调色剂浓度控制系统连接到包含调色剂的分配器。 调色剂浓度控制系统包括调色剂质量估计器,其提供将要施加到感光体的显影剂结构中的调色剂质量的调色剂质量估计; 接收调色剂质量估计的前馈分配单元和基于调色剂质量估计传送前馈分配命令; 调节用于显影剂结构中的调色剂破碎的调色剂浓度目标; 接收经调节的调色剂浓度目标并发送反馈分配命令的反馈分配单元; 以及总分配单元,其接收前馈分配指令和反馈分配命令,并且将总分配命令输出到分配器,分配器根据总分配命令将调色剂分配给显影剂结构。
    • 9. 发明授权
    • Real time transfer efficiency estimation
    • 实时传输效率估算
    • US07756433B2
    • 2010-07-13
    • US12013733
    • 2008-01-14
    • Eric M. GrossEric S. Hamby
    • Eric M. GrossEric S. Hamby
    • G03G15/16
    • G03G15/5037G03G15/556G03G2215/16
    • A method for identifying transfer efficiency in a xerographic print engine utilizes customer images, thereby avoiding the use of specialized images and the corresponding loss of productivity and paper waste. The method includes electronically sensing a two-dimensional residual mass structure on a substantial portion of a substrate surface within the xerographic print engine after image transfer, analyzing the two-dimensional structure using signal and/or image processing techniques, and determining the transfer efficiency, based on the sensed two-dimensional residual mass structure by applying the following functional equation form or variant: sensor_response=[(1−Mxfer—efficiency)*MpixelCnt]+[(1−Yxfer—efficiency)*YpixelCnt]+[(1−Cxfer—efficiency)*CpixelCnt]+[(1−Kxfer—efficiency)*KpixelCnt].
    • 用于识别静电印刷引擎中的转印效率的方法利用客户图像,从而避免使用专门的图像以及相应的生产率和纸张浪费的损失。 该方法包括在图像转印之后,在静电印刷引擎内的基底表面的基本部分上电子感测二维残留质量结构,使用信号和/或图像处理技术分析二维结构,以及确定转印效率, 基于感测的二维残余质量结构,通过应用以下功能方程形式或变体:sensor_response = [(1-Mxfer效率)* MpixelCnt] + [(1-Yxfer效率)* YpixelCnt] + [(1- Cxfer效率)* CpixelCnt] + [(1-Kxfer效率)* KpixelCnt]。