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    • 2. 发明授权
    • Method of reading an oxygen sensor input
    • 读取氧传感器输入的方法
    • US06382013B1
    • 2002-05-07
    • US09569415
    • 2000-05-12
    • Mikhail ZarkhinTimothy P PhilippartDaniel B CiesinskiVasil GermanskiMark J Stachew
    • Mikhail ZarkhinTimothy P PhilippartDaniel B CiesinskiVasil GermanskiMark J Stachew
    • F02M700
    • F02D41/1493F02D41/1455F02D2041/285
    • An adjustment circuit and method for reading a measurement output of an automotive oxygen sensor provide correction for outgassing of the sensor and inversion of the measurement output. The adjustment circuit includes a biasing stage connected to a sensor return of the oxygen sensor, where the biasing stage applies a predetermined bias voltage to the sensor return. An input stage is connected to an output of the sensor for retrieving the measurement output from the sensor. The adjustment circuit further includes an A/D conversion system connected to the input stage for adjusting the measurement output based on the bias voltage. The A/D conversion system may further be connected to the biasing stage for retrieving a sensor return output from the sensor. In such cases, a differential module calculates a difference between the sensor return output and the measurement output. The sensor return output defines an actual bias voltage applied to the sensor return.
    • 用于读取汽车氧传感器的测量输出的调节电路和方法提供对传感器放气的校正和测量输出的反转。 调节电路包括与氧传感器的传感器返回部连接的偏置级,其中偏置级向传感器返回器施加预定的偏置电压。 输入级连接到传感器的输出端,以从传感器检索测量输出。 调整电路还包括连接到输入级的A / D转换系统,用于基于偏置电压来调节测量输出。 A / D转换系统还可以连接到偏置级,用于从传感器检索传感器返回输出。 在这种情况下,差分模块计算传感器返回输出和测量输出之间的差值。 传感器返回输出定义了施加到传感器回路的实际偏置电压。
    • 3. 发明授权
    • Start-up circuit for voltage regulator with current foldback
    • 具有电流折返电压调节器的启动电路
    • US06275017B1
    • 2001-08-14
    • US09578383
    • 2000-05-25
    • Vasil GermanskiTimothy P PhilippartMikhail ZarkhinMark J Stachew
    • Vasil GermanskiTimothy P PhilippartMikhail ZarkhinMark J Stachew
    • G05F140
    • G05F1/5735Y10S323/901
    • It is an object of the present invention to provide an assist circuit for a vehicle controller power supply which requires multiple voltage outputs. The assist circuit allows for the supply of a higher voltage which aids the supply of a lower voltage during transient power up. Once both voltages have achieved a specified level, during transient power up, and other power supply components, such as a linear voltage regulator, have stabilized, the assist circuit effectively switches off, allowing the higher voltage to be supplied by a switching power supply and the lower voltage to be supplied by the linear regulator. The assist circuit is most useful in vehicle controllers which have a current foldback feature, by assisting to supply peak current demands before a current foldback can occur during a transient power up stage.
    • 本发明的目的是提供一种需要多个电压输出的用于车辆控制器电源的辅助电路。 辅助电路允许提供更高的电压,这有助于在瞬时加电期间提供较低的电压。 一旦两个电压都达到规定的电平,在瞬时上电期间,以及诸如线性稳压器的其他电源组件已经稳定,辅助电路有效地关断,允许更高的电压由开关电源提供, 由线性调节器提供的较低电压。 辅助电路在具有电流折返特性的车辆控制器中是最有用的,通过在瞬时上电阶段之前可以在电流折返发生之前协助提供峰值电流需求。
    • 6. 发明授权
    • Flexible circuit board interconnect with strain relief
    • 柔性电路板与应变消除互连
    • US5981870A
    • 1999-11-09
    • US857121
    • 1997-05-15
    • Tina BarcleyRobert A. IsolaEdward T. PokriefkaNorman J. RothVasil Germanski
    • Tina BarcleyRobert A. IsolaEdward T. PokriefkaNorman J. RothVasil Germanski
    • H05K1/00H05K1/02H05K1/11H05K3/28H05K9/00
    • H05K1/028H05K1/0224H05K1/118H05K9/0039H05K1/0253H05K2201/0715H05K2201/09681H05K3/28
    • A flexible circuit board interconnect is provided with flex strain relief capabilities. The flexible circuit board interconnect includes a polyamide or polyimide (both are nylons) substrate layer, a ground plane layer and a conductor strip layer. The ground plane layer is provided with scalloped edges along opposite sides thereof. The ground plane provides a shield for preventing radio frequency interference to and from the signals passed through the conductor strips. The ground plane layer and the conductor strips are covered at least partially by a pair of soldermask layers which are provided with scalloped edges. The scalloped edges on the soldermask layers and the ground plane prevent the generation of a crease or fold line on the surface of the flexible circuit board interconnect. Each of the conductor strips are provided with a pair of vias on opposite ends of thereof. The vias are arranged to be offset from the vias on adjacent conductor strips such that a perforation-type tear line is avoided and such that when a hot bar soldering is used, at least one via remains uncovered for receiving soldering wicking, thus reducing the likelihood of solder bridging across conductor strips.
    • 柔性电路板互连提供了柔性应变消除功能。 柔性电路板互连包括聚酰胺或聚酰亚胺(均为尼龙)衬底层,接地平面层和导体带层。 接地平面层沿其相对侧设置有扇形边。 接地平面提供屏蔽,用于防止对穿过导体条的信号产生射频干扰。 地平面层和导体条至少部分由一对带有扇形边缘的焊接掩模层覆盖。 焊接层和接地面上的扇形边缘防止在柔性电路板互连表面产生折痕或折线。 每个导体条在其相对端上设置有一对通孔。 通孔布置成偏离相邻导体条上的通孔,使得避免穿孔型撕裂线,并且使得当使用热棒焊接时,至少一个通孔保持未覆盖以接收焊接芯吸,从而降低可能性 焊接桥接在导体条上。