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1. 发明授权

US5122835A Compensating densitometer readings for drifts and dusting 失效
标题翻译：补偿密度计读数，用于漂移和除尘
公开(公告)号：US5122835A
公开(公告)日：1992-06-16
申请号：US696381
申请日：1991-05-06
申请人： Allen J. Rushing , Sally L. Stearns , David D. Almeter
发明人： Allen J. Rushing , Sally L. Stearns , David D. Almeter
IPC分类号： G03G15/00
CPC分类号： G03G15/5041 , G03G2215/00042
摘要： Densitometer readings are corrected by obtaining density readings on an untoned area of the interframe region of an image receiver during cycle-up, storing the readings and subtracting the stored readings from subsequent test readings of the same area of the image receiver. Differences between the cycle-up readings and test readings are used to adjust density readings of toned reference patches obtained with the test readings. The procedure can be used during production modes of the machine, with all readings being taken in the interframe regions, or the procedure can be a part of an automatic set-up operation with toned reference patch readings being taken in the image frame areas of the image receiver.
摘要翻译：通过在循环过程中通过在图像接收器的帧间区域的未分配区域上获得密度读数来校正密度计读数，存储读数并从图像接收器的相同区域的后续测试读数中减去存储的读数。循环读数和测试读数之间的差异用于调整用测试读数获得的色调参考斑块的浓度读数。该程序可以在机器的生产模式下使用，其中所有读数都在帧间区域中进行，或者该过程可以是自动设置操作的一部分，其中调色参考斑读数读取在图像帧区域中图像接收器。

2. 发明授权

US5148217A Electrostatographic copier/printer densitometer insensitive to power supply variations 失效
标题翻译：电磁复印机/打印机密度计对电源变化不敏感
公开(公告)号：US5148217A
公开(公告)日：1992-09-15
申请号：US719452
申请日：1991-06-24
申请人： David D. Almeter , William A. Resch, III
发明人： David D. Almeter , William A. Resch, III
IPC分类号： G01J1/16 , G01J1/18 , G01N21/47 , G03G15/00
CPC分类号： G01J1/18 , G01N21/4738 , G03G15/5041 , G01J2001/161 , G01N2021/4769 , G01N2201/0621 , G03G2215/00042
摘要： A densitometer includes a light source positioned to project light rays to a test surface. A photodetector is positioned to receive light rays from the surface, and has an output which is characteristic of the amount of light received. The densitometer includes a voltage source and a photodetector which generates an output signal which is a function of a measured density and of the voltage of the source. A log amp produces a signal which is substantially proportional to the ratio of the output of the photodetector and a second output signal which is also a function of the voltage of the source.
摘要翻译：密度计包括定位成将光线投射到测试表面的光源。光电检测器被定位成从表面接收光线，并且具有作为所接收的光量的特征的输出。密度计包括电压源和光电检测器，其产生作为测量的密度和源的电压的函数的输出信号。对数放大器产生与光电检测器的输出和第二输出信号的比率基本成比例的信号，该信号也是源的电压的函数。

3. 发明授权

US5285243A Method and apparatus for determining toner development rate 失效
标题翻译：用于确定调色剂显影速率的方法和装置
公开(公告)号：US5285243A
公开(公告)日：1994-02-08
申请号：US896866
申请日：1992-06-12
申请人： Donald S. Rimai , Mark C. Zaretsky , Bruno Primerano , David D. Almeter
发明人： Donald S. Rimai , Mark C. Zaretsky , Bruno Primerano , David D. Almeter
IPC分类号： G03G15/00 , G03G15/08 , G03G21/00
CPC分类号： G03G15/50 , G03G15/0848
摘要： A method and apparatus for determining the rate of development characteristic of electroscopic toner particles of the type used in electrostatographic recording to develop electrostatic images. The apparatus has a biased electrode for attracting toner particles and a microprocessor-based logic and control unit for sampling the mass of toner particles attracted to the electrode at preselected times during the accumulation of toner on the biased electrode. This development rate parameter is used by the logic and control unit to control process parameters (e.g. primary charging and exposure levels, development electrode bias, toner concentration) which affect image quality.
摘要翻译：用于确定用于静电图像的类型的电致调色剂颗粒的显影速率的方法和装置，以形成静电图像。该装置具有用于吸引调色剂颗粒的偏置电极和基于微处理器的逻辑和控制单元，用于在调色剂在偏置电极上累积期间的预选时间对吸附到电极的调色剂颗粒的质量进行取样。该开发速率参数由逻辑和控制单元用于控制影响图像质量的工艺参数（例如初级充电和曝光水平，显影电极偏差，调色剂浓度）。

4. 发明授权

US4652754A Corona generating apparatus 失效
标题翻译：电晕发生装置
公开(公告)号：US4652754A
公开(公告)日：1987-03-24
申请号：US812710
申请日：1985-12-23
申请人： David D. Almeter , Jon K. Edwards
发明人： David D. Almeter , Jon K. Edwards
IPC分类号： G03G15/02 , H01T19/00
CPC分类号： G03G15/0291 , H01T19/00
摘要： A corona discharge device having a first corona wire and a second corona wire parallel to the first corona wire and in physical contact therewith, such that the forces created by the wires during energization prevent the vibration of the wires, thereby eliminating short circuiting and the need for costly wire-damping devices.
摘要翻译：一种电晕放电装置，具有与第一电晕丝平行的第一电晕丝和第二电晕丝，并与其物理接触，使得在通电期间由导线产生的力防止线的振动，从而消除短路和需要用于昂贵的线阻尼装置。

5. 发明授权

US5532802A Piezoelectric sensor for in-situ monitoring of electrostatographic developers 失效
标题翻译：用于静电显影剂原位监测的压电传感器
公开(公告)号：US5532802A
公开(公告)日：1996-07-02
申请号：US372639
申请日：1995-01-13
申请人： Sven Sonnenberg , Donald S. Rimai , David D. Almeter , Martin Potucek
发明人： Sven Sonnenberg , Donald S. Rimai , David D. Almeter , Martin Potucek
IPC分类号： G03G15/08 , G03G21/00
CPC分类号： G03G15/0848
摘要： A toner mass sensor includes a piezoelectric crystal having a resonant frequency, an electrode on a first face of the crystal, an electrically conductive lead connecting the first face of the crystal to an electrical contact point in the vicinity of a second side of the crystal, and a casing closed at one end by the crystal with the first face of the crystal allowed to contact developer outside of the closed casing through the opening of the casing. The casing and crystal defines an interior which is sealed from developer in a development station, within which sealed interior the second face of the crystal is protected from contamination by developer. The electrode is wrapped around the edge of the crystal to be accessible from the second side of the crystal, and the electrode is a metal; preferably aluminum. The interior of the casing is closed by a base member which carries an electrical circuit. The casing is cylindrical, and an elastomeric, electrical insulator gasket around the crystal seals the interior of the casing to inhibit contamination of the interior of the casing by developer.
摘要翻译：调色剂质量传感器包括具有共振频率的压电晶体，晶体的第一面上的电极，将晶体的第一面连接到晶体的第二侧附近的电接触点的导电引线，以及一端由晶体封闭的壳体，晶体的第一面允许通过壳体的开口与显影剂外部接触显影剂。壳体和晶体限定了内部，该内部与显影台中的显影剂密封，其中晶体的第二面的密封内部不被显影剂污染。电极围绕晶体的边缘缠绕以便从晶体的第二侧接近，并且电极是金属; 优选铝。壳体的内部由携带电路的基座构件封闭。壳体是圆柱形的，并且围绕晶体的弹性体电绝缘垫圈密封壳体的内部，以防止显影剂对壳体内部的污染。

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