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    • 6. 发明授权
    • Replaceable developer station having indicator for determining whether
developer station is used or new
    • 具有用于确定是否使用开发者站的指示器的可替换显影站
    • US5043764A
    • 1991-08-27
    • US215971
    • 1988-07-07
    • Kenneth A. ArnoldLawrence A. HillKelly S. Robinson
    • Kenneth A. ArnoldLawrence A. HillKelly S. Robinson
    • G03G15/08
    • G03G15/0896G03G15/0849G03G15/0853
    • A replaceable development station is provided for use with an electrostatographic machine in which a toner monitor is automatically calibrated when a fresh development station is loaded into the machine. The detected toner concentration in the development station is used by the monitor as a reference signal against which future readings are compared. The reference signal is reset upon machine power-up correspond to the detected toner concentration in the development station, but only when there is a fresh development station in the machine. The development station provides for indicating when the reference signal has previously been set for the developer mix. The reference value would not be reset upon other than the first time the machine is powered up with a particular development station. The indicating means is preferably a frangible member such as an electrical fuse.
    • 提供了一种可更换的开发站,用于与静电照相机一起使用,其中当新鲜的显影台装载到机器中时,调色剂监测器被自动​​校准。 显影台中检测到的调色剂浓度由监视器用作参考信号,以将来读数进行比较。 在机器上电时,参考信号被复位,对应于显影站中检测到的调色剂浓度,但仅当机器中存在新鲜的显影台时。 开发站提供用于指示何时先前为显影剂混合设置了参考信号。 除了第一次机器与特定开发站通电之外,参考值不会重置。 指示装置优选地是诸如电熔丝的易碎构件。
    • 9. 发明授权
    • Electrometer with in-measurement range adjustment and methods thereof for measuring electrostatic charge
    • 具有测量范围调整的电位计及其测量静电电荷的方法
    • US08354847B2
    • 2013-01-15
    • US12190982
    • 2008-08-13
    • Kelly S. Robinson
    • Kelly S. Robinson
    • G01R29/12
    • G01R29/24
    • An electrometer is disclosed. The electrometer has a high gain differential amplifier having a first input, a second input, and an output. The electrometer also has feedback switching circuitry. The electrometer further has a plurality of feedback elements configured to be selectively and cumulatively added in any parallel combination between the output and the first input of the high gain differential amplifier via the feedback switching circuitry. A method of adjusting a measurement range of an electrometer while the electrometer is being used to measure an electrostatic charge is also disclosed. One or more additional feedback elements are selectively added in parallel with one or more existing feedback elements which are coupled between an output and an input of a high gain differential amplifier of the electrometer.
    • 公开了静电计。 静电计具有具有第一输入,第二输入和输出的高增益差分放大器。 静电计还具有反馈开关电路。 静电计进一步具有多个反馈元件,其被配置为经由反馈开关电路以高分辨率差分放大器的输出和第一输入之间的任何并联组合选择性和累积地相加。 还公开了一种在静电计用于测量静电电荷的同时调整静电计的测量范围的方法。 一个或多个附加的反馈元件与一个或多个现有的反馈元件并联选择性地并联,所述反馈元件耦合在静电计的高增益差分放大器的输出端和输入端之间。
    • 10. 发明授权
    • Multiple xeroprinted copies from a single exposure using photosensitive
film buffer element
    • 使用感光膜缓冲元件从单次曝光中多次打印拷贝
    • US4898797A
    • 1990-02-06
    • US220867
    • 1988-07-18
    • William T. GruenbaumWilliam MeyKelly S. Robinson
    • William T. GruenbaumWilliam MeyKelly S. Robinson
    • G03G13/22
    • G03G13/22
    • Disclosed is a method of improving the sharpness of multiple copies made from a single imagewise exposure using an electrostatographic film buffer element having an insulating layer in between a conductive layer and a photoconductive layer, where the element is simultaneously charged and imagewise exposed and then uniformly exposed with light to bury the charges. The improvement consists of performing the uniform exposure with light that is absorbed by the photoconductive layer and does not penetrate through the photoconductive layer to the insulating layer. Also disclosed is apparatus useful for making multiple copies which comprises an electrostatographic film buffer element which comprises, (A) in order, a conductive layer, an insulating layer, and a photoconductive layer, (B) means for simultaneously charging the imagewise exposing the element, and (C) means for uniformly exposing the element with light that is absorbed by the photoconductive layer and does not penetrate through the photoconductive layer to the insulating layer. Also disclosed is a method of making multiple electrostatographic copies comprising simultaneously charging and imagewise exposing an electrostatographic film buffer element which comprises, in order, a conductive layer, an insulating layer, and a photoconductive layer, uniformly exposing the element with light that is absorbed by the photoconductive layer and does not penetrate through the photoconductive layer to the insulating layer, thereby forming a latent electrostatic image on the insulating layer, developing the latent electrostatic image and transferring the developed image to a receiver, and repeating the previous step without additional imagewise exposures of the element.
    • 公开了一种使用在导电层和光电导层之间具有绝缘层的静电放电薄膜缓冲元件来提高由单次成像曝光制成的多个拷贝的清晰度的方法,其中元件同时带电并成像曝光,然后均匀曝光 用光来埋葬费用。 该改进包括用光导电层吸收的光进行均匀曝光,并且不穿透光导电层到绝缘层。 还公开了可用于制造多个拷贝的装置,其包括静电放电膜缓冲元件,其包括(A)依次为导电层,绝缘层和光电导层,(B)同时对成像曝光元件 ,和(C)用光均匀地曝光该元件的装置,该光被光电导层吸收并且不穿透光电导层到绝缘层。 还公开了一种制备多个静电复印件的方法,包括同时对静电放电薄膜缓冲元件进行充电和成像曝光,该静电放电薄膜缓冲元件依次包括导电层,绝缘层和光电导层, 光电导层并且不穿透光导电层到绝缘层,由此在绝缘层上形成静电潜像,显影静电潜像并将显影的图像转印到接收器,并且重复前一步骤而无需额外的成像曝光 的元素。