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29 条记录 (耗时 0.021 秒)

    Brushed Motor Control with Voltage Boost for Reverse and Braking
    1.
    发明申请
    Brushed Motor Control with Voltage Boost for Reverse and Braking 有权
    带电压升压的拉丝电机控制用于反向和制动

    公开(公告)号：US20080253753A1

    公开(公告)日：2008-10-16

    申请号：US11680820

    申请日：2007-03-01

    申请人： Joseph Julicher ,  John Charais ,  Keith Curtis

    发明人： Joseph Julicher ,  John Charais ,  Keith Curtis

    IPC分类号： H02P7/29 ,  H02P1/54

    CPC分类号： H02P3/08 ,  H02P7/05 ,  H02P7/281 ,  H02P7/29

    摘要： A single low side power transistor switch is used to efficiently control a brushed motor in a forward rotational direction. A boost voltage power supply is used to supply voltage to the brushed motor in a reverse rotational direction and/or braking from the forward rotational direction. A digital device controls the brushed motor rotational speed and rotational directions.

    摘要翻译： 使用单个低侧功率晶体管开关来有效地控制沿前进方向的拉丝马达。 升压电源用于沿反向旋转方向向拉丝马达提供电压和/或从正向旋转方向制动。 数字设备控制拉丝马达的转速和旋转方向。

    Brushed motor control with voltage boost for reverse and braking
    2.
    发明授权
    Brushed motor control with voltage boost for reverse and braking 有权
    拉丝电机控制，电压提升反向和制动

    公开(公告)号：US07498755B2

    公开(公告)日：2009-03-03

    申请号：US11680820

    申请日：2007-03-01

    申请人： Joseph Julicher ,  John Charais ,  Keith Curtis

    发明人： Joseph Julicher ,  John Charais ,  Keith Curtis

    IPC分类号： H02P7/00

    CPC分类号： H02P3/08 ,  H02P7/05 ,  H02P7/281 ,  H02P7/29

    摘要： A single low side power transistor switch is used to efficiently control a brushed motor in a forward rotational direction. A boost voltage power supply is used to supply voltage to the brushed motor in a reverse rotational direction and/or braking from the forward rotational direction. A digital device controls the brushed motor rotational speed and rotational directions.

    摘要翻译： 使用单个低侧功率晶体管开关来有效地控制沿前进方向的拉丝马达。 升压电源用于沿反向旋转方向向拉丝马达提供电压和/或从正向旋转方向制动。 数字设备控制拉丝马达的转速和旋转方向。

    LAMINATED PRINTED CIRCUIT BOARD INDUCTIVE TOUCH SENSOR
    3.
    发明申请
    LAMINATED PRINTED CIRCUIT BOARD INDUCTIVE TOUCH SENSOR 审中-公开
    层压印刷电路板感应触摸传感器

    公开(公告)号：US20110084933A1

    公开(公告)日：2011-04-14

    申请号：US12851732

    申请日：2010-08-06

    申请人： Keith Curtis ,  Stephen Porter ,  John Charais ,  Mark Loper

    发明人： Keith Curtis ,  Stephen Porter ,  John Charais ,  Mark Loper

    IPC分类号： G06F3/045

    CPC分类号： G06F3/046

    摘要： A multilayer printed circuit board provides both physical and electrical attributes necessary for creating an inductive touch sensor panel. Inductive sense coils are formed on a surface of first layer of the multilayer printed circuit board. A second layer is used as a spacer between the first layer and a third layer. The first, second and third layers of the multilayer printed circuit board form chambers in which the inductive sense coils are disposed therein. When a force is applied to a portion of the third layer proximate to an inductive sense coil, a metal target on a face of the third layer is biased toward the inductive sense coil and thereby changes the inductance value thereof.

    摘要翻译： 多层印刷电路板提供了创建感应式触摸传感器面板所需的物理和电气属性。 感应线圈形成在多层印刷电路板的第一层的表面上。 第二层用作第一层和第三层之间的间隔物。 多层印刷电路板的第一层，第二层和第三层形成其中设置感应线圈的室。 当力施加到靠近感应线圈的第三层的一部分时，第三层的表面上的金属靶朝向感应线圈偏置，从而改变其电感值。

    Smoke detection using change in permittivity of capacitor air dielectric
    8.
    发明授权
    Smoke detection using change in permittivity of capacitor air dielectric 有权
    使用电容器空气电介质介电常数变化的烟雾检测

    公开(公告)号：US08884771B2

    公开(公告)日：2014-11-11

    申请号：US13564493

    申请日：2012-08-01

    申请人： Benjamin T. Cooke ,  Joseph Julicher ,  Keith Curtis

    发明人： Benjamin T. Cooke ,  Joseph Julicher ,  Keith Curtis

    IPC分类号： G08B21/00

    CPC分类号： G08B17/10 ,  G08B17/113

    摘要： A capacitor having air dielectric between its plates may be used to detect the presence of smoke and other contaminants in the dielectric air passing over the plates of the capacitor. Smoke from typical fires is mainly composed of unburned carbon that has diffused in the surrounding air and rises with the heat of the fire. The permittivity of the carbon particles is about 10 to 15 times the permittivity of clean air. The addition of the carbon particles into the air creates a change in the permittivity thereof that is large enough to measure by measuring a change in capacitance of the capacitor having the air dielectric through which the air laden carbon particles pass through.

    摘要翻译： 在其板之间具有空气电介质的电容器可用于检测通过电容器板上的介电空气中的烟雾和其它污染物的存在。 典型火灾中的烟雾主要由在周围空气中扩散并随火的升高而升高的未燃碳组成。 碳颗粒的介电常数为清洁空气介电常数的约10至15倍。 将碳粒子添加到空气中，通过测量具有空气电介质的电容器的电容的变化来测量电容率的变化，其电容率变大，通过空气电介质通过该电容器的空气通过。

    SMOKE DETECTION USING CHANGE IN PERMITTIVITY OF CAPACITOR AIR DIELECTRIC
    9.
    发明申请
    SMOKE DETECTION USING CHANGE IN PERMITTIVITY OF CAPACITOR AIR DIELECTRIC 有权
    使用变压器电容式空气电容器进行烟雾检测

    公开(公告)号：US20140035753A1

    公开(公告)日：2014-02-06

    申请号：US13564493

    申请日：2012-08-01

    申请人： Benjamin T. Cooke ,  Joseph Julicher ,  Keith Curtis

    发明人： Benjamin T. Cooke ,  Joseph Julicher ,  Keith Curtis

    IPC分类号： G08B17/10

    CPC分类号： G08B17/10 ,  G08B17/113

    摘要： A capacitor having air dielectric between its plates may be used to detect the presence of smoke and other contaminants in the dielectric air passing over the plates of the capacitor. Smoke from typical fires is mainly composed of unburned carbon that has diffused in the surrounding air and rises with the heat of the fire. The permittivity of the carbon particles is about 10 to 15 times the permittivity of clean air. The addition of the carbon particles into the air creates a change in the permittivity thereof that is large enough to measure by measuring a change in capacitance of the capacitor having the air dielectric through which the air laden carbon particles pass through.

    摘要翻译： 在其板之间具有空气电介质的电容器可用于检测通过电容器板上的介电空气中的烟雾和其它污染物的存在。 典型火灾中的烟雾主要由在周围空气中扩散并随火的升高而升高的未燃碳组成。 碳颗粒的介电常数为清洁空气介电常数的约10至15倍。 将碳粒子添加到空气中，通过测量具有空气电介质的电容器的电容的变化来测量电容率的变化，其电容率变大，通过空气电介质通过该电容器的空气通过。