公开(公告)号：US10352887B1

公开(公告)日：2019-07-16

申请号：US15619653

申请日：2017-06-12

申请人： Ronald W. Parker

发明人： Ronald W. Parker

IPC分类号： G01N27/02 ,  G01N27/06

摘要： A method for accurately measuring the electrical conductivity of substances. This method incorporates two points of measurement that are isolated from each other. Each of these points is in contact with the substance to be measured. A continuous, constant electrical current is passed through the substance at the measurement points by means of an electrical force that is not constant but varies depending upon the amount of electrical force required to maintain the constant electrical current through the substance. This constant current is passed through the substance in two directions. This change in direction is achieved by reversing the polarity of the electrical force across the two measurement points. The time periods for each of the two directions of constant current flow are equal. The amount of electrical force or voltage that is required to maintain this constant amount of current is directly related to the resistance of the substance. This electrical force that represents the resistance of the substance can then be converted into a second electrical force that represents the conductivity of the substance by means of a divider circuit.

公开(公告)号：US07234032B2

公开(公告)日：2007-06-19

申请号：US10718419

申请日：2003-11-20

申请人： Kimberly T. Durham ,  Moon J. Kim ,  Dikran Meliksetian ,  Robert G. Oesterlin ,  Ronald W. Parker ,  Blanche M. Waddell

发明人： Kimberly T. Durham ,  Moon J. Kim ,  Dikran Meliksetian ,  Robert G. Oesterlin ,  Ronald W. Parker ,  Blanche M. Waddell

IPC分类号： G06F15/173

CPC分类号： G06F17/30067

摘要： Under the present invention storage grid manager is provided that receives requests for storing files from users, based on certain performance parameters, the storage grid manager identifies selected storage cells of the enterprise storage system for storing the files. Thereafter, the storage grid manager routes the requests to the storage grid controllers associated with the selected storage cells. The storage grid controllers control access to the storage cells to ensure that only authorized access is granted. Once the files are stored, the storage grid manager will update a mapping to identify the precise storage cells in which each file is stored. Therefore, when a user issues a request to retrieve a file, the storage grid manager consults the mapping, identifies the corresponding storage cell and retrieves the file.

摘要翻译： 根据本发明，提供存储网格管理器，其基于某些性能参数接收从用户存储文件的请求，存储网格管理器识别用于存储文件的企业存储系统的所选择的存储单元。 此后，存储网格管理器将请求路由到与选择的存储单元相关联的存储网格控制器。 存储网格控制器控制对存储单元的访问，以确保只授权访问。 存储文件后，存储网格管理器将更新一个映射，以识别存储每个文件的精确存储单元。 因此，当用户发出检索文件的请求时，存储网格管理器将查看映射，识别相应的存储单元并检索该文件。

公开(公告)号：US6118285A

公开(公告)日：2000-09-12

申请号：US36341

申请日：1998-03-06

申请人： Ronald W. Parker ,  James W. Grace ,  Gerald W. Siter ,  Eli K. Dabora ,  John T. Bahns ,  Baki Cetegen

发明人： Ronald W. Parker ,  James W. Grace ,  Gerald W. Siter ,  Eli K. Dabora ,  John T. Bahns ,  Baki Cetegen

IPC分类号： G01R1/07 ,  G01R31/28 ,  G01R31/302

CPC分类号： G01R1/072 ,  G01R31/2805

摘要： A system for testing the electrical conductivity of printed traces, on multiple surfaces, of a printed wiring board using non-contacting probes. The non-contact probes generate a plasma in a plasma generating chamber that is used to apply a voltage to the printed wiring board. A measurement circuit determines the magnitude of the voltage on the printed wiring board.

摘要翻译： 用于使用非接触式探针在印刷线路板的多个表面上测试印刷迹线的电导率的系统。 非接触式探针在等离子体发生室中产生用于向印刷线路板施加电压的等离子体。 测量电路确定印刷电路板上电压的大小。

公开(公告)号：US5735173A

公开(公告)日：1998-04-07

申请号：US538929

申请日：1995-10-04

申请人： Ronald W. Parker

发明人： Ronald W. Parker

IPC分类号： B23Q1/26 ,  F16C29/12 ,  F16H27/02

CPC分类号： B23Q1/267 ,  Y10T74/18568 ,  Y10T74/18648 ,  Y10T74/20201

摘要： There is provided a position control drive system having first and second drive units linked together and travelling on parallel running rails. A passive unit riding on a third parallel running rail is pivotally linked to one of the drive units. The pivoting link allows movement of the drive units longitudinally along the rails, but prevents movement in other directions. The pivot compensates for positional differences between the electronic positional control of the drive units and the mechanical linkage preventing the inefficiency in the electronic system, stresses in the mechanical system and, in severe cases, binding of the drive units to the rails.

摘要翻译： 提供了一种位置控制驱动系统，其具有连接在一起并在平行的运行导轨上行进的第一和第二驱动单元。 骑在第三平行运行轨道上的被动单元枢转地连接到驱动单元中的一个。 枢转连杆允许驱动单元沿着导轨纵向移动，但是防止在其它方向上移动。 枢轴补偿了驱动单元的电子位置控制与机械连接之间的位置差异，防止了电子系统中的低效率，机械系统中的应力，以及在严重的情况下将驱动单元绑定到轨道上。

公开(公告)号：US5732592A

公开(公告)日：1998-03-31

申请号：US859145

申请日：1997-05-20

申请人： Ronald W. Parker

发明人： Ronald W. Parker

IPC分类号： B23Q1/26 ,  F16C29/12 ,  F16H29/02

CPC分类号： B23Q1/267 ,  Y10T74/18568 ,  Y10T74/18648 ,  Y10T74/20201

摘要： There is provided a position control drive system having first and second drive units linked together and travelling on parallel running rails. A passive unit riding on a third parallel running rail is pivotally linked to one of the drive units. The pivoting link allows movement of the drive units longitudinally along the rails, but prevents movement in other directions. The pivot compensates for positional differences between the electronic positional control of the drive units and the mechanical linkage preventing the inefficiency in the electronic system, stresses in the mechanical system and, in severe cases, binding of the drive units to the rails.

公开(公告)号：US4950970A

公开(公告)日：1990-08-21

申请号：US840476

申请日：1986-03-14

申请人： Ray E. Davis, Jr. ,  Michael J. Westkamper ,  Earle J. Timothy ,  Richard H. Johnson ,  Ronald W. Parker

发明人： Ray E. Davis, Jr. ,  Michael J. Westkamper ,  Earle J. Timothy ,  Richard H. Johnson ,  Ronald W. Parker

IPC分类号： H02J3/18 ,  H02P23/00

CPC分类号： H02J3/1892 ,  H02P23/26

摘要： An improved induction motor control system. Single-phase and three-phase AC induction motors are controlled in accordance with the equation y=m=x+b, where y is the phase angle, m is the slop, x is the firing delay and b is the offset. Subsequently, the firing delay is increased by predetermined amounts, the behavior of the phase angle is evaluated for several cycles, and the motor is controlled based on the results of the evaluation, thereby minimizing energy consumption.

摘要翻译： 改进的感应电动机控制系统。 单相和三相交流感应电动机根据等式y = m = x + b进行控制，其中y是相位角，m是斜率，x是点火延迟，b是偏移。 随后，触发延迟增加预定量，相位角的行为被评估几个周期，并且基于评估结果来控制电动机，从而最小化能量消耗。