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    • 3. 发明申请
    • RESONANT-FREQUENCY MEASUREMENT OF ELECTROPHOTOGRAPHIC DEVELOPER DENSITY
    • 电子光谱发展密度的谐振频率测量
    • US20130011154A1
    • 2013-01-10
    • US13616378
    • 2012-09-14
    • Kenneth J. BrownCharles H. Hasenauer
    • Kenneth J. BrownCharles H. Hasenauer
    • G03G15/08
    • G03G15/0851G03G2215/0634
    • Developer density in an electrophotographic system is measured. The developer includes toner particles and magnetic carrier particles. First and second mutually-insulated electrodes define a working volume between them through which developer passes without contacting the first electrode. An AC voltage or current source is connected to the electrodes. An inductor is connected in series with a voltage source, or an inductor is provided in parallel with a current source. The voltage or current is applied and corresponding current or voltage across the electrodes is measured. The density of the developer in the working volume is automatically determined using a processor responsive to the measured current or voltage and the applied bias.
    • 测量电子照相系统中的显影剂密度。 显影剂包括调色剂颗粒和磁性载体颗粒。 第一和第二相互绝缘的电极限定了它们之间的工作体积,显影剂通过该工作体积而不接触第一电极。 AC电压或电流源连接到电极。 电感器与电压源串联连接,或者电感器与电流源并联。 施加电压或电流,并测量电极两端的对应电流或电压。 使用响应于测量的电流或电压以及所施加的偏压的处理器来自动确定显影剂在工作体积中的密度。
    • 6. 发明申请
    • METHOD OF IMPROVING DEVELOPED FLAT FIELD UNIFORMITY
    • 改进平面场均匀性的方法
    • US20100150592A1
    • 2010-06-17
    • US12333355
    • 2008-12-12
    • Kenneth J. Brown
    • Kenneth J. Brown
    • G03G15/08
    • G03G15/0812
    • Flat field uniformity can be improved in images produced by an image development system having a development roller interposed between a supply of developer and an imaging element. A raw feed of developer is supplied from the developer supply to the development roller to produce both a metered feed of developer and an overfeed of developer, which is returned to the supply, from the raw feed. A plurality of mass densities of developer used in the system and a plurality of developer velocities through the system are determined, and respective product values of those developer mass densities and those developer velocities are thereafter calculated or otherwise determined. A maximum value of the respective product values is identified, and the image development system is then operated so that the maximum product value is produced.
    • 可以改善由具有介于显影剂供应源和成像元件之间的显影辊的图像显影系统产生的图像中的平坦场均匀性。 显影剂的原料从显影剂供应供应到显影辊,以从原料中产生显影剂的计量饲料和返回到供应源的显影剂的过量进料。 确定在系统中使用的多个显影剂质量密度和通过该系统的多个显影剂速度,然后计算或以其他方式确定那些显影剂质量密度和那些显影剂速度的相应乘积值。 识别相应产品值的最大值,然后操作图像显影系统,从而产生最大产品值。