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    • 4. 发明授权
    • High precision analog encoder system
    • 高精度模拟编码器系统
    • US06396052B1
    • 2002-05-28
    • US09543672
    • 2000-04-07
    • Raymond Jay BarryTodd Alan DuttonSteven Andrew Rice
    • Raymond Jay BarryTodd Alan DuttonSteven Andrew Rice
    • G01D534
    • G01D5/24404
    • A method of determining a feed position of a print medium in an imaging apparatus includes an encoder device, connected to a feed shaft, that produces a first periodic signal and a second periodic signal approximately 90 degrees out of phase with the first. A modified first signal is created. A modified second signal is created. The modified first signal is added to the modified second signal to create a summation signal that has a plurality of local minimum values, a plurality of local maximum values, and a plurality of substantially linear segments. A periodic modified summation signal is created by adding a corresponding constant value to each linear segment. The feed position of the print medium is calculated based upon a number of cycles of the modified summation signal counted and a determined value of the modified summation signals.
    • 确定成像装置中的打印介质的进给位置的方法包括连接到进给轴的编码器装置,其产生第一周期性信号和与第一周期信号大致相差90度的第二周期信号。 创建修改后的第一个信号。 创建修改后的第二个信号。 修改的第一信号被添加到修改的第二信号以产生具有多个局部最小值,多个局部最大值和多个基本线性段的求和信号。 通过向每个线性段添加相应的常数值来创建周期性修改的求和信号。 基于所修改的求和信号的周期数和经修改的求和信号的确定值来计算打印介质的馈送位置。
    • 5. 发明授权
    • Method for detecting low toner in an electro-photographic toner cartridge
    • 用于检测电照相色调剂盒中的低调色剂的方法
    • US08412058B2
    • 2013-04-02
    • US12885129
    • 2010-09-17
    • Raymond Jay Barry
    • Raymond Jay Barry
    • G03G15/08
    • G03G15/556G03G15/0855G03G15/0856G03G15/0862G03G15/0875G03G2215/0827G03G2215/0891
    • A method for detecting low toner in an electro-photographic toner cartridge having an optical sensor using a light beam to detect the presence or absence of toner in the cartridge includes transmitting to a processor a signal related to the strength of the light beam sensed as a paddle disposed within the cartridge rotates. The processor calculates an average value for the signal for each of a plurality of sets of paddle revolutions. The processor then calculates a variation value for the signal for each of the plurality of sets of paddle revolutions. The processor filters each variation value to determine a plurality of short term variation values. The processor monitors whether at least one short term variation value exceeds a first threshold. When the at least one short term variation value exceeds the first threshold, the processor signals that the toner level is low.
    • 一种用于检测电子照相调色剂盒中的低调色剂的方法,其具有使用光束的光学传感器来检测所述盒中是否存在调色剂,包括向所述处理器传送与所述光束的强度相关的信号,所述信号被感测为 设置在盒内的桨叶旋转。 处理器计算多组桨叶转数中的每一组的信号的平均值。 然后处理器计算多组桨叶转数中的每一组的信号的变化值。 处理器对每个变化值进行滤波以确定多个短期变化值。 处理器监视至少一个短期变化值是否超过第一阈值。 当至少一个短期变化值超过第一阈值时,处理器发出指示调色剂水平低的信号。
    • 7. 发明申请
    • Method for Detecting Low Toner in an Electro-photographic Toner Cartridge
    • 检测电子照相硒鼓中低碳粉的方法
    • US20120070162A1
    • 2012-03-22
    • US12885129
    • 2010-09-17
    • Raymond Jay Barry
    • Raymond Jay Barry
    • G03G15/08
    • G03G15/556G03G15/0855G03G15/0856G03G15/0862G03G15/0875G03G2215/0827G03G2215/0891
    • A method for detecting low toner in an electro-photographic toner cartridge having an optical sensor using a light beam to detect the presence or absence of toner in the cartridge includes transmitting to a processor a signal related to the strength of the light beam sensed as a paddle disposed within the cartridge rotates. The processor calculates an average value for the signal for each of a plurality of sets of paddle revolutions. The processor then calculates a variation value for the signal for each of the plurality of sets of paddle revolutions. The processor filters each variation value to determine a plurality of short term variation values. The processor monitors whether at least one short term variation value exceeds a first threshold. When the at least one short term variation value exceeds the first threshold, the processor signals that the toner level is low.
    • 一种用于检测电子照相调色剂盒中的低调色剂的方法,其具有使用光束的光学传感器来检测所述盒中是否存在调色剂,包括向所述处理器传送与所述光束的强度相关的信号,所述信号被感测为 设置在盒内的桨叶旋转。 处理器计算多组桨叶转数中的每一组的信号的平均值。 然后处理器计算多组桨叶转数中的每一组的信号的变化值。 处理器对每个变化值进行滤波以确定多个短期变化值。 处理器监视至少一个短期变化值是否超过第一阈值。 当至少一个短期变化值超过第一阈值时,处理器发出指示调色剂水平低的信号。
    • 8. 发明授权
    • Optical density sensor
    • 光密度传感器
    • US07122800B2
    • 2006-10-17
    • US10810732
    • 2004-03-26
    • Raymond Jay BarryGary Scott Overall
    • Raymond Jay BarryGary Scott Overall
    • G01J5/02G03G15/00
    • G01N21/55G03G15/5058G03G2215/00042
    • An optical density sensor disposed over a target surface in an image formation apparatus comprises an integrating cavity having a diffuse, reflective interior surface and a view port formed therein. An optical source directs light through the view port onto the target surface, without striking any interior surface of the cavity. Light reflected from the target surface is detected by an optical detector disposed within the cavity. The optical source may be disposed in a collimator, which may extend into the interior of the cavity, and may include a lens. A circuit card which may include an optical detector sensing circuit may be disposed proximate the optical detector. A compensating slot formed in the cavity may allow some reflected light to directly impact the optical detector as the gap between the cavity and the target surface increases.
    • 设置在图像形成装置中的目标表面上的光密度传感器包括具有漫反射内表面和形成在其中的视图端口的积分腔。 光源通过视口将光引导到目标表面上,而不会引起空腔的任何内表面。 从目标表面反射的光由位于空腔内的光学检测器检测。 光源可以设置在准直仪中,其可以延伸到空腔的内部,并且可以包括透镜。 可以包括光学检测器感测电路的电路卡可以设置在光学检测器附近。 形成在空腔中的补偿槽可以允许一些反射光随着空腔和目标表面之间的间隙增加而直接冲击光学检测器。
    • 10. 发明授权
    • Capacitive supply level sensing circuit and method
    • 电容式电平检测电路及方法
    • US09109939B2
    • 2015-08-18
    • US13432693
    • 2012-03-28
    • Adam Jude AhneRaymond Jay Barry
    • Adam Jude AhneRaymond Jay Barry
    • H02M1/14G01F23/26
    • G01F23/266
    • A circuit and system for sensing a capacitance of a capacitive sensor disposed in a toner container of an electrophotographic imaging apparatus. The circuit and system may include an AC signal generator and conversion circuitry, coupled to the capacitive sensor, for detecting an AC current appearing on the capacitive sensor and converting the detected AC current to a substantially DC voltage, relative to a local ground, the local ground serving as a ground reference for the conversion circuitry. The AC signal generator is coupled between the local ground and a system ground. Physically separating the AC signal generator from the capacitive sensor allows for parts of the capacitive sensor to be used to perform other functions in the toner container.
    • 一种用于感测设置在电子照相成像设备的调色剂容器中的电容式传感器的电容的电路和系统。 电路和系统可以包括耦合到电容传感器的AC信号发生器和转换电路,用于检测出现在电容传感器上的AC电流,并将检测到的AC电流相对于局部地,将本地 地面作为转换电路的接地参考。 交流信号发生器耦合在本地和系统地之间。 将电容式传感器的交流信号发生器物理上分开允许电容式传感器的部分用于执行调色剂容器中的其它功能。