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    • 11. 发明授权
    • Saucer with cup-retaining recess
    • 具有保温功能的SAUCER
    • US3632015A
    • 1972-01-04
    • US3632015D
    • 1970-06-02
    • MARTIN BARTH
    • BARTH MARTIN
    • A47G23/02B65D7/42
    • A47G23/02
    • A saucer for a cup, or the like, having a large, central, relatively deep recess with downwardly converging conical sidewalls shaped to fit the lower portion of a cup, or the like, adapted to snugly set in the recess. The bottom wall of the recess has a raised portion to maintain the bottom of the cup spaced from the bottom wall of the recess, and in one form of the invention a suction cup or the like may be connected beneath this raised portion to hold the saucer stationary on a surface. A wide shallow through extends outwardly from the top of the sidewalls of the recess, and in surrounding relation to the recess and terminates in a downturned rim in the form of a conically diverging wall. The lower edge of the outer wall is provided with three short evenly spaced foot members. This outer wall is interrupted at a point along the circumference by a generally horizontally disposed handle portion arranged in substantially the same plane as the concentric trough.
    • 用于杯子等的碟形物具有大的中央的较深的凹部,其具有向下收敛的锥形侧壁,该侧壁成形为适合适于紧贴地设置在凹部中的杯子等的下部。 凹部的底壁具有凸起部分,以保持杯的底部与凹部的底壁间隔开,并且在本发明的一种形式中,可以将吸杯等连接在该凸起部分下方以保持该碟 表面静止。 宽的浅的通孔从凹槽的侧壁的顶部向外延伸,并且与凹部相关,并且以锥形发散壁的形式终止于下降的边缘。 外壁的下边缘设有三个短均匀间隔的脚部构件。 该外壁通过布置在与同心槽基本相同的平面上的大致水平设置的把手部分沿着圆周的点被中断。
    • 14. 发明授权
    • Diagnosis of over-current conditions in bipolar motor controllers
    • 双极电机控制器过电流状态诊断
    • US08816614B2
    • 2014-08-26
    • US13248586
    • 2011-09-29
    • Martin Barth
    • Martin Barth
    • H02P7/29H02P6/12
    • H02P8/36G01R31/343G01R31/346H02H7/09H02H7/1225H02H7/1227H02P8/02H02P8/12
    • A circuit for controlling a load current through a coil is connected to an output port of a transistor H-bridge that includes two low side transistors and two high side transistors. A current sense circuit is coupled to the H-bridge and configured to provide a representation of the load current provided by the output port. A current regulator is configured to generate a modulated signal dependent on the representation of the load current and a current set-point. The modulated signal has a duty-cycle. A gate control logic drives the individual transistors of the H-bridge on and off in accordance with the modulated signal. A direction signal provides the load current to the coil. The direction signal determines the direction of the load current. An over current detection circuit is coupled to each individual transistor and is configured to signal an over-current by providing an active over-current failure signal when a transistor current through the respective transistor exceeds a respective maximum value.
    • 用于控制通过线圈的负载电流的电路连接到包括两个低侧晶体管和两个高侧晶体管的晶体管H桥的输出端口。 电流感测电路耦合到H桥并且被配置为提供由输出端口提供的负载电流的表示。 电流调节器被配置为根据负载电流和当前设定点的表示来产生调制信号。 调制信号具有占空比。 门控制逻辑根据调制信号驱动H桥的各个晶体管的导通和截止。 方向信号为线圈提供负载电流。 方向信号决定负载电流的方向。 过电流检测电路耦合到每个单独的晶体管,并且被配置为当通过相应晶体管的晶体管电流超过相应的最大值时通过提供有源过电流故障信号来发出过电流信号。