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    • 3. 发明授权
    • Radiation shield support system and method
    • 辐射屏蔽支持系统及方法
    • US08833724B2
    • 2014-09-16
    • US13269440
    • 2011-10-07
    • Michael J. MarchioGregory J. Smith
    • Michael J. MarchioGregory J. Smith
    • G21F3/00F16P1/02
    • F16P1/02Y10T29/49826
    • Disclosed herein is new and improved system and method for supporting radiation shields. The system may include a first frame subassembly, a second frame assembly, and a quick disconnect. The first frame sub assembly may include an upper partial ring support, a lower partial ring support, and a plurality of vertical supports. The second frame sub assembly may include an upper partial ring support, a lower partial ring support, and a plurality of vertical supports. The second frame subassembly may have a ring hole. The quick disconnect may include a plug and a bolt. The plug may be permanently affixed to the first frame subassembly, and the bolt may be configured to pass through the ring hole and the plug hole in order to removably secure the first frame subassembly to the second frame subassembly.
    • 本文公开了用于支持辐射屏蔽的新的和改进的系统和方法。 该系统可以包括第一框架子组件,第二框架组件和快速断开。 第一框架子组件可以包括上部部分环支撑件,下部部分环支撑件和多个垂直支撑件。 第二框架子组件可以包括上部部分环支撑件,下部部分环支撑件和多个垂直支撑件。 第二框架子组件可以具有环形孔。 快速断开可能包括插头和螺栓。 插头可以永久地固定到第一框架子组件,并且螺栓可以被配置成穿过环形孔和插塞孔,以便将第一框架子组件可移除地固定到第二框架子组件。
    • 7. 发明授权
    • Switch mode power supply control circuit
    • 开关电源控制电路
    • US07268526B1
    • 2007-09-11
    • US10828944
    • 2004-04-21
    • Gregory J. Smith
    • Gregory J. Smith
    • G05F1/56G05F1/62
    • H02M3/156
    • An apparatus and method is arranged to dynamically adjust a pulse width (e.g., off-time pulse) associated with a switching device in a converter such as a buck converter, a boost converter, or a buck-boost regulator. A one-shot circuit is configured to dynamically initiate a pulse cycle for the switching converter when the output voltage collapses to a level that is related to a monitored inductor current in the converter. By changing the start time associated with the one-shot circuit, the pulse-width (e.g., off-time pulse) associated with the switching device is varied. In one example, the one-shot circuit is triggered when the inductor current is sensed as decaying below a threshold. The one-shot circuit can be further arranged to have another pulse-width (e.g., on-time pulse) that is adjusted for phase alignment with a reference frequency using a PLL circuit.
    • 一种装置和方法被布置成动态地调节与诸如降压转换器,升压转换器或降压 - 升压调节器的转换器中的开关装置相关联的脉冲宽度(例如,关断时间脉冲)。 单触发电路被配置为当输出电压崩溃到与转换器中所监视的电感器电流相关的电平时,动态地启动开关转换器的脉冲周期。 通过改变与单触发电路相关联的开始时间,改变与开关装置相关联的脉冲宽度(例如关断时间脉冲)。 在一个示例中,当感应电感电流衰减到低于阈值时,单触发电路被触发。 单触发电路还可以被布置为具有另一个脉冲宽度(例如,导通时间脉冲),该脉冲宽度(例如导通时间脉冲)使用PLL电路被调整为与参考频率的相位对准。
    • 9. 发明授权
    • Method and apparatus for a thermal wake-up circuit
    • 热唤醒电路的方法和装置
    • US06702457B1
    • 2004-03-09
    • US10027510
    • 2001-12-20
    • Gregory J. Smith
    • Gregory J. Smith
    • G01K1300
    • G01K3/005G01K2215/00
    • An apparatus and method is directed to a thermal wake-up circuit and a thermal sensor that are utilized by another circuit. The thermal wake-up circuit monitors a temperature associated with the other circuit. The thermal sensor is activated by the thermal wake-up circuit when the temperature exceeds a first threshold level. The thermal sensor is deactivated by the thermal wake-up circuit when the temperature is below the first threshold level. In one embodiment, addition thermal sensors may be activated and deactivated by the thermal wake-up circuit. The thermal sensor and additional thermal sensors may be used to activate protection circuitry or to shut down the other circuit. Power consumption by the thermal sensor is minimized by maintaining the thermal sensor inactive until activated by the thermal wake-up circuit.
    • 一种装置和方法涉及由另一电路利用的热唤醒电路和热传感器。 热唤醒电路监测与其他电路相关的温度。 当温度超过第一阈值水平时,热传感器由热唤醒电路激活。 当温度低于第一阈值水平时,热敏传感器被热唤醒电路禁用。 在一个实施例中,加热传感器可以被热唤醒电路激活和去激活。 热传感器和其他热传感器可用于激活保护电路或关闭其他电路。 通过将热传感器保持在无功状态,通过热唤醒电路激活,热传感器的功耗最小化。
    • 10. 发明授权
    • Charging circuit for deeply discharged cells
    • 深度放电电池的充电电路
    • US06686723B1
    • 2004-02-03
    • US10007554
    • 2001-11-08
    • Gregory J. SmithYinming Chen
    • Gregory J. SmithYinming Chen
    • H02J700
    • H02J7/0052H02J7/0075
    • The invention is directed towards a charging circuit for charging a cell that may be deeply discharged. A primary charging circuit charges the cell when the cell is not deeply discharged. A deeply discharged charging circuit charges the cell when the cell is deeply discharged. Determining when the cell is deeply discharged includes determining when the voltage of the cell is above, below, or equal to a predetermined threshold. According to one embodiment of the invention, the predetermined threshold is 2V. When the cell voltage is below a predetermined threshold voltage, which according to one embodiment is 0.5V, a low-voltage charging path is used to charge the cell.
    • 本发明涉及用于对可能被深度排出的电池进行充电的充电电路。 当电池未被深度放电时,初级充电电路对电池充电。 当电池深度放电时,深度放电的充电电路对电池充电。 确定电池何时深度放电包括确定电池的电压何时高于,低于或等于预定阈值。 根据本发明的一个实施例,预定阈值为2V。 当电池电压低于根据一个实施例的0.5V的预定阈值电压时,使用低电压充电路径对电池充电。