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41. 发明授权

US4788572A Belt controls for a print engine for color electrophotography 失效
标题翻译：彩色电子照相打印机的皮带控制
公开(公告)号：US4788572A
公开(公告)日：1988-11-29
申请号：US28973
申请日：1987-03-23
申请人： Danny L. Slayton , E. Neal Tompkins , Charles S. Palm , Kirk W. Charles , David R. Davis , Peter Zuber
发明人： Danny L. Slayton , E. Neal Tompkins , Charles S. Palm , Kirk W. Charles , David R. Davis , Peter Zuber
IPC分类号： F16H7/08 , G03G15/01 , G03G15/16 , G03G15/14
CPC分类号： B82Y15/00 , G03G15/0131 , G03G15/0173 , G03G15/161 , G03G15/1615 , F16H2007/0806 , G03G2215/00042 , G03G2215/1661
摘要： Improved dual belt synchronization for a print engine for color electrophotography using a photoreceptor belt and a seamless transfer belt on which a composite image is built up. Improved synchronization of the two belt drives enhances image registration. A tension mechanism used in conjunction with the belts prevents rapid changes in the belt dimensions. An improved transfer belt cleaner system is synchronized with the belt drives such that excess toner is not left in the imaging area of the transfer belt.
摘要翻译：用于彩色电子照相的打印引擎的改进的双皮带同步，使用感光带和无缝转印带，在其上构建合成图像。改进的两个皮带驱动器的同步增强了图像配准。与皮带结合使用的张紧机构防止皮带尺寸的快速变化。改进的转印带清洁器系统与带驱动器同步，使得多余的调色剂不会留在转印带的成像区域中。

42. 发明授权

US4989045A Method for removal and addition of developer to a toner module in an electrophotographic print engine 失效
标题翻译：去除和添加显影剂到电子照相打印引擎中的调色剂模块的方法
公开(公告)号：US4989045A
公开(公告)日：1991-01-29
申请号：US345481
申请日：1989-05-01
申请人： Danny L. Slayton , E. Neal Tompkins , Khosrow Lak , Charles S. Palm
发明人： Danny L. Slayton , E. Neal Tompkins , Khosrow Lak , Charles S. Palm
IPC分类号： G03G15/01 , G03G15/16
CPC分类号： B82Y15/00 , G03G15/0163 , G03G15/1605 , G03G2215/00042 , G03G2215/1661
摘要： A toner module has a mixing roller and a decorator roller. The decorator roller, which extends partially through a developer opening, has a partial magnetic core enclosed by a developer carrying sleeve. Developer is removed by orientating a nonmagnetic portion of the core toward the developer opening. The decorator roller is then rotated so that the sleeve carries the used developer over the nonmagnetic portion, thereby allowing the developer to fall out of the toner module. New developer is added by orientating the magnetic portion of the core to face the developer opening. The decorator roller is then rotated so that, as the sleeve rotates over the developer to be added, the magnetic force of the developer core pulls the developer onto the sleeve and into the toner module. Orientating a magnetic portion of the mixing roller proximate to the decorator roller causes the developer to be carried further into the toner module, so as to provide for more storage volume for the developer.
摘要翻译：调色剂模块具有混合辊和装饰辊。部分地通过显影剂开口延伸的装饰辊具有由显影剂承载套筒包围的部分磁芯。通过将芯的非磁性部分朝向显影剂开口取向来除去显影剂。然后旋转装饰辊，使得套筒在非磁性部分上承载使用的显影剂，从而允许显影剂从调色剂模块中脱落。通过使芯的磁性部分朝向显影剂开口来定位新的显影剂。然后旋转装饰辊，使得当套筒在显影剂上旋转以被添加时，显影剂芯的磁力将显影剂拉到套筒上并进入调色剂模块。将混合辊的磁性部分靠近装饰辊定向，导致显影剂进一步进入调色剂模块，以便为显影剂提供更多的存储容积。

43. 发明授权

US4848267A Apparatus for removal and addition of developer to a toner module 失效
标题翻译：用于去除和添加显影剂到调色剂模块的装置
公开(公告)号：US4848267A
公开(公告)日：1989-07-18
申请号：US28972
申请日：1987-03-23
申请人： Danny L. Slayton , E. Neal Tompkins , Khosrow Lak , Charles S. Palm
发明人： Danny L. Slayton , E. Neal Tompkins , Khosrow Lak , Charles S. Palm
IPC分类号： G03G15/01 , G03G15/16
CPC分类号： B82Y15/00 , G03G15/0163 , G03G15/1605 , G03G2215/00042 , G03G2215/1661 , Y10S141/01 , Y10S222/01
摘要： An improved toner module for use in an electrophotographic print engine. A decorator or developer roller with a rotatable core provides an apparatus for, and an improved method of, replacing developer. The decorator roller has a core that is partially magnetic and partially nonmagnetic. By rotating the decorator core to adjust the position of the non-magnetic portion of the decorator core, developer can be both removed and added without the use of any additional equipment. A mixing roller within the toner module provides for greater quantity of developer to be stored within the toner module. The disclosed toner module therefore has a greater capacity for storage of developer.
摘要翻译：一种用于电子照相打印引擎的改进的调色剂模块。具有可旋转芯的装饰器或显影辊提供了用于替换显影剂的装置和改进的方法。装饰辊具有部分磁性和部分非磁性的芯。通过旋转装饰器芯以调节装饰核心的非磁性部分的位置，可以在不使用任何附加设备的情况下移除和添加显影剂。调色剂模块内的混合辊可提供更多数量的显影剂储存在调色剂模块中。因此，所公开的调色剂模块具有更大的存储显影剂的能力。

44. 发明授权

US4270131A Adaptive error correction device for a laser scanner 失效
标题翻译：用于激光扫描仪的自适应纠错装置
公开(公告)号：US4270131A
公开(公告)日：1981-05-26
申请号：US096624
申请日：1979-11-23
申请人： E. Neal Tompkins , Henry M. Donzis
发明人： E. Neal Tompkins , Henry M. Donzis
IPC分类号： G02B26/12 , G02B27/00 , G06K15/12 , H04N1/053 , H04N1/113 , H04N1/12 , G01D15/14
CPC分类号： H04N1/053 , G02B26/127 , G02B27/0031 , G06K15/1214 , G06K15/1219 , H04N1/1135 , H04N1/12 , H04N2201/0471 , H04N2201/04775
摘要： An adaptive system is shown for electronically correcting for errors in a laser scanner. A start-of-scan signal is provided by a photodetector having a special mask with a window over the front of the photodetector. The start-of-scan signal from the photodetector eliminates the facet-to-facet errors. The special mask gives a stepped amplitude signal output from the photodetector with the maximum amplitude of the signal providing amplitude modulation to correct the intensity of the laser beam, and the lower amplitude of the stepped amplitude signal providing frequency modulation to correct the facet-to-axis error. By the use of the delays, counters, and memory, the intensity and facet-to-axis errors are continuously being corrected with each revolution of the spinner.
摘要翻译：示出了用于电子校正激光扫描仪中的错误的自适应系统。扫描扫描信号由具有在光电检测器前面具有窗口的特殊掩模的光电检测器提供。来自光电检测器的扫描起始信号消除了面到面错误。特殊掩模给出了从光电检测器输出的阶梯幅度信号，其中信号的最大幅度提供幅度调制以校正激光束的强度，并且阶梯式幅度信号的较低幅度提供频率调制以校正面 - 轴误差。通过使用延迟，计数器和存储器，在旋转器的每次旋转中，强度和面对轴错误都在不断地被纠正。

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