公开(公告)号：US20120180573A1

公开(公告)日：2012-07-19

申请号：US13008264

申请日：2011-01-18

申请人： Brian John McNAMEE ,  David B. Montfort ,  Jerry F. Adams

发明人： Brian John McNAMEE ,  David B. Montfort ,  Jerry F. Adams

IPC分类号： G01L1/00

CPC分类号： G01L1/16 ,  G01L5/0085

摘要： According to aspects of the embodiments, an apparatus and method is proposed to detect nip width by use of at least one piezoelectric (PZT) crystal embedded into a roll at both the inboard and outboard ends. A piezoelectric (PZT) crystal generates a charge when subjected to a load and when the load is released. The PZT generate signal is channeled to the ends of the roller such as with a brush contact to be processed and used within machine control. The duration measure from application and released of the load is indicative of the dwell time and the amplitude PZT generate signal is a function of the pressure. The time and amplitude of the PZT signal can be calibrated to correlate directly to nip width or pressure and tracked in machine control.

摘要翻译： 根据实施例的方面，提出了一种装置和方法，用于通过使用在内侧和外侧两端嵌入到辊中的至少一个压电（PZT）晶体来检测压区宽度。 压电（PZT）晶体在经受负载时和负载释放时产生电荷。 PZT生成信号被引导到辊的端部，例如用刷子接触件进行处理并在机器控制中使用。 来自应用和释放负载的持续时间测量指示停留时间，并且振幅PZT产生信号是压力的函数。 可以对PZT信号的时间和幅度进行校准，直接与压区宽度或压力相关，并在机器控制中跟踪。

公开(公告)号：US08276468B2

公开(公告)日：2012-10-02

申请号：US13008264

申请日：2011-01-18

申请人： Brian John McNamee ,  David B. Montfort ,  Jerry F. Adams

发明人： Brian John McNamee ,  David B. Montfort ,  Jerry F. Adams

IPC分类号： G01L1/00

CPC分类号： G01L1/16 ,  G01L5/0085

摘要： According to aspects of the embodiments, an apparatus and method is proposed to detect nip width by use of at least one piezoelectric (PZT) crystal embedded into a roll at both the inboard and outboard ends. A piezoelectric (PZT) crystal generates a charge when subjected to a load and when the load is released. The PZT generate signal is channeled to the ends of the roller such as with a brush contact to be processed and used within machine control. The duration measure from application and released of the load is indicative of the dwell time and the amplitude PZT generate signal is a function of the pressure. The time and amplitude of the PZT signal can be calibrated to correlate directly to nip width or pressure and tracked in machine control.

摘要翻译： 根据实施例的方面，提出了一种装置和方法，用于通过使用在内侧和外侧两端嵌入到辊中的至少一个压电（PZT）晶体来检测压区宽度。 压电（PZT）晶体在经受负载时和负载释放时产生电荷。 PZT生成信号被引导到辊的端部，例如用刷子接触件进行处理并在机器控制中使用。 来自应用和释放负载的持续时间测量指示停留时间，并且振幅PZT产生信号是压力的函数。 可以对PZT信号的时间和幅度进行校准，直接与压区宽度或压力相关，并在机器控制中跟踪。

公开(公告)号：US06507725B1

公开(公告)日：2003-01-14

申请号：US09932366

申请日：2001-08-17

申请人： Jerry F. Adams ,  David B. Montfort ,  John R. Falvo

发明人： Jerry F. Adams ,  David B. Montfort ,  John R. Falvo

IPC分类号： G03G1516

CPC分类号： G03G15/165 ,  G03G15/6561 ,  G03G2215/00632 ,  G03G2215/00721

摘要： A sensor and associated method is disclosed for detecting presence of a sheet which is being advanced on a photoreceptor of an electrophotographic printing device. The sensor includes a vibratory member which is configured to be positioned in contact with the photoreceptor. The sensor further includes a drive circuit operable to generate an input signal on a signal line which is coupled to the vibratory member. In addition, the sensor includes a sensing circuit operable to (i) determine if a current level of the input signal falls below a threshold value, and (ii) generate a control signal in response thereto. The control signal may be used to stop advancement of the photoreceptor such as in the case where the control signal indicates that the sheet is improperly being advanced on the photoreceptor such as into a cleaning station. Alternatively, the control signal may be used to commence operation of a machine component such as in the case where the control signal indicates that the sheet has advanced to a particular position along the path of advancement of the photoreceptor.

摘要翻译： 公开了一种用于检测在电子照相打印装置的感光体上进行的片材的存在的传感器和相关方法。 传感器包括被配置成与感光体接触定位的振动部件。 传感器还包括驱动电路，其可操作以在耦合到振动构件的信号线上产生输入信号。 另外，传感器包括感测电路，其可操作以（i）确定输入信号的当前电平是否低于阈值，以及（ii）响应于此产生控制信号。 控制信号可以用于停止感光体的前进，例如在控制信号表示片材不适当地在感光体上进入清洁台的情况下。 或者，控制信号可以用于开始机器部件的操作，例如在控制信号指示片材已经前进到沿着感光体的前进路径的特定位置的情况下。

公开(公告)号：US20080107458A1

公开(公告)日：2008-05-08

申请号：US11592362

申请日：2006-11-03

申请人： Jerry F. Adams ,  David B. Montfort ,  John R. Falvo

发明人： Jerry F. Adams ,  David B. Montfort ,  John R. Falvo

IPC分类号： G03G15/16

CPC分类号： G03G15/16

摘要： Acoustic Transfer Assist (ATA) systems are used in media printing devices to help transfer toner to paper by use of ultrasonic vibrations. The transducer is driven at its resonant frequency, though somewhat dampened. To shorten the decay time of the transducer when its vibration is not desired, a compensating signal is used. A reverse drive voltage is used during transducer shut-off. The reverse drive causes the transducer to vibrate at its normal resonant frequency, but at a 180° phase shift, causing the transducer to stop vibrating significantly faster than without a reverse drive. An open phase-locked loop system drives the transducer from resonance to rest. When the transducer stops vibrating, current to the reverse drive loop is cut off.

摘要翻译： 声学传递辅助（ATA）系统用于介质打印设备，以通过使用超声波振动将调色剂转移到纸张上。 传感器以其谐振频率驱动，尽管有些衰减。 为了缩短换能器在不希望振动时的衰减时间，使用补偿信号。 在换能器关闭期间使用反向驱动电压。 反向驱动使换能器以其正常谐振频率振动，但在180°相移时，导致换能器比没有反向驱动更快地停止振动。 开放的锁相环系统驱动换能器从共振到静止。 当传感器停止振动时，切断反向驱动环路的电流。

公开(公告)号：US07529512B2

公开(公告)日：2009-05-05

申请号：US11592362

申请日：2006-11-03

申请人： Jerry F. Adams ,  David B. Montfort ,  John R. Falvo

发明人： Jerry F. Adams ,  David B. Montfort ,  John R. Falvo

IPC分类号： G03G15/16

CPC分类号： G03G15/16

摘要： Acoustic Transfer Assist (ATA) systems are used in media printing devices to help transfer toner to paper by use of ultrasonic vibrations. The transducer is driven at its resonant frequency, though somewhat dampened. To shorten the decay time of the transducer when its vibration is not desired, a compensating signal is used. A reverse drive voltage is used during transducer shut-off. The reverse drive causes the transducer to vibrate at its normal resonant frequency, but at a 180° phase shift, causing the transducer to stop vibrating significantly faster than without a reverse drive. An open phase-locked loop system drives the transducer from resonance to rest. When the transducer stops vibrating, current to the reverse drive loop is cut off.

摘要翻译： 声学传递辅助（ATA）系统用于介质打印设备，以通过使用超声波振动将调色剂转移到纸张上。 传感器以其谐振频率驱动，尽管有些衰减。 为了缩短换能器在不希望振动时的衰减时间，使用补偿信号。 在换能器关闭期间使用反向驱动电压。 反向驱动使换能器以其正常谐振频率振动，但在180°相移时，导致换能器比没有反向驱动更快地停止振动。 开放的锁相环系统驱动换能器从共振到静止。 当传感器停止振动时，切断反向驱动环路的电流。

公开(公告)号：US20090052915A1

公开(公告)日：2009-02-26

申请号：US11843034

申请日：2007-08-22

申请人： Alfred J. Claflin, JR. ,  Jerry F. Adams ,  Susan A. Turner

发明人： Alfred J. Claflin, JR. ,  Jerry F. Adams ,  Susan A. Turner

IPC分类号： G03G15/02

CPC分类号： G03G15/0266 ,  G03G15/0291 ,  G03G2215/027

摘要： A charging system for uniformly charging an imaging surface moving in a predefined path including a dicorotron for charging the imaging surface; a discorotron, adjacent to and downstream from said dicortron, for charging the imaging surface; the discorotron including a coronode, a grid and a shield a first power supply for biasing the grid and the shield; a second power supply for energizing each of the coronode; means for determining a voltage level of the imaging surface and generating a feedback signal of the voltage level; and a controller, responsive to the feedback signal and in communication with the first power supply, for controlling the energiziation of the grid and the shield.

摘要翻译： 一种充电系统，用于对包括用于对所述成像表面充电的二导筒的预定路径移动的成像表面进行均匀充电; 与所述双质子相邻并且在其下游的光盘，用于对所述成像表面进行充电; 所述discorotron包括冠状结构，栅格和屏蔽，用于偏压所述栅格和所述屏蔽的第一电源; 用于对每个所述冠状体进行激励的第二电源; 用于确定所述成像表面的电压电平并产生所述电压电平的反馈信号的装置; 以及响应于所述反馈信号并且与所述第一电源通信的控制器，用于控制所述电网和所述屏蔽件的激励。

公开(公告)号：US06317571B1

公开(公告)日：2001-11-13

申请号：US09578738

申请日：2000-05-25

申请人： Jerry F. Adams

发明人： Jerry F. Adams

IPC分类号： G03G1500

CPC分类号： H02M1/4208 ,  G03G15/2003 ,  Y02B70/126

摘要： Power factor control in an AC powered machine having multiple input electrical power requirements. AC input power is continuously applied to a low input power load and selectively to a high input power load. The AC power to the high input power load is pulse modulated to have an input power that depends upon the input AC line voltage and upon the input AC line current. The pulse modulated AC power is controlled such that the total AC input power remains less than a design limit. If the high input power load is a heater, the pulse modulated AC power also depends on the heater's temperature.

摘要翻译： 具有多输入电力要求的交流电机中的功率因数控制。 AC输入功率连续地施加到低输入功率负载并且选择性地施加到高输入功率负载。 高输入功率负载的交流电力被脉冲调制以具有取决于输入AC线路电压和输入AC线路电流的输入功率。 控制脉冲调制的交流电源使得总的交流输入功率保持小于设计极限。 如果高输入功率负载是加热器，脉冲调制交流电源也取决于加热器的温度。

公开(公告)号：US4831410A

公开(公告)日：1989-05-16

申请号：US146660

申请日：1988-01-21

申请人： Jerry F. Adams ,  Michael D. Borton ,  Fred F. Hubble, III ,  James P. Martin ,  Ralph A. Shoemaker ,  Alan J. Werner ,  Virginia N. MacDonald

发明人： Jerry F. Adams ,  Michael D. Borton ,  Fred F. Hubble, III ,  James P. Martin ,  Ralph A. Shoemaker ,  Alan J. Werner ,  Virginia N. MacDonald

IPC分类号： G03G15/00 ,  G03G15/043

CPC分类号： G03G15/5025 ,  G03G15/043

摘要： A flash exposure photocopier provides a mechanism for automatically controlling photoreceptor exposure levels to compensate for the effects of documents having backgrounds of different densities. A photosensor and lens assembly is located within a flash housing in a position whereby a large portion of the document is imaged by the lens onto the surface of a chip having a plurality of individual photosensors contained thereon. The outputs of each photosensor are integrated and applied to a comparator set at a particular reference level. The comparator output controls the duration of the flash source so as to quench lamp operation when an input level is reached corresponding to the particular reference level set. The integrated photosensor outputs are also summed and a signal representing their average value is compared to the signal which triggers the comparator. The ratio of these signals is used to identify documents with high area coverage and hence high toner usage. The toner dispensing rate is then regulated accordingly.

摘要翻译： 闪光曝光复印机提供了一种自动控制感光体曝光水平的机制，以补偿具有不同密度背景的文档的影响。 光电传感器和透镜组件位于闪光灯壳体内的位置，由此将大部分原稿通过透镜成像到具有多个单独光电传感器的芯片的表面上。 每个光电传感器的输出被积分并应用于在特定参考电平上设置的比较器。 比较器输出控制闪光源的持续时间，以便在达到与特定参考电平设置对应的输入电平时熄灭灯泡操作。 积分的光电传感器输出也相加，并将表示其平均值的信号与触发比较器的信号进行比较。 这些信号的比例用于识别具有高面积覆盖率的文档，因此识别高碳粉用量。 然后相应地调节调色剂分配速率。

公开(公告)号：US06650851B2

公开(公告)日：2003-11-18

申请号：US09683586

申请日：2002-01-22

申请人： Jerry F. Adams ,  Peter G. Fournia

发明人： Jerry F. Adams ,  Peter G. Fournia

IPC分类号： G03G1502

CPC分类号： G03G15/0283 ,  G03G15/0291

摘要： A combined charge/recharge xerographic power supply is provided that utilizes one power supply to drive the charge pin scorotron and recharge discorotron grids of a electrophotographic or xerographic system. The power supply uses recycled power from the pin scorotron grid to drive the discorotron grid. In particular, the power supply uses power that is dissipated in the traditional shunt regulator attached to the pin scorotron grid terminal to drive and provide active current to the discorotron grid through a series-pass regulation circuit. Thereby providing reduced electromagnetic emissions and reduced unit manufacturing costs.

摘要翻译： 提供组合的充电/再充电静电放电电源，其利用一个电源来驱动电荷引脚扫管器并补充电子照相或静电复印系统的discorotron网格。 电源使用来自引脚电弧栅的再生电力来驱动discorotron电网。 特别地，电源使用在连接到引脚光栅电网端子的传统分流调节器中耗散的功率，以通过串联通过调节电路驱动并提供有源电流到磁盘电网。 从而提供降低的电磁辐射和降低的单位制造成本。

公开(公告)号：US5638261A

公开(公告)日：1997-06-10

申请号：US275891

申请日：1994-07-15

申请人： Jerry F. Adams

发明人： Jerry F. Adams

IPC分类号： G03G15/00 ,  H01H9/22 ,  H02M3/28 ,  H02M3/335

CPC分类号： G03G15/80 ,  H01H9/226 ,  H02M3/28

摘要： An interlock switch (14) is provided between a housekeeping power supply (12) and a pulse width modulator (16). The pulse width modulator (16) pulses a field effect transistor (18) to generate alternating current (AC) to be passed by a transformer (26). The AC is converted to direct current (DC) by a converter 34 to provide an output voltage. If the switch (14) is opened, power to the modulator (16) and transistor (26) is terminated. No AC power is transmitted. Thus, since the transformer (26) only transfers AC, no voltage is generated at the output of the system.

摘要翻译： 在整理电源（12）和脉宽调制器（16）之间提供互锁开关（14）。 脉宽调制器（16）对场效应晶体管（18）进行脉冲以产生由变压器（26）通过的交流电（AC）。 AC由转换器34转换成直流电（DC）以提供输出电压。 如果开关（14）断开，则调制器（16）和晶体管（26）的电源终止。 没有交流电源被传输。 因此，由于变压器（26）仅传送AC，所以在系统的输出处不产生电压。