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    • 71. 发明授权
    • Multi-pair data cable with configurable core filling and pair separation
    • 多对数据电缆,可配置核心填充和对分离
    • US06812408B2
    • 2004-11-02
    • US10446371
    • 2003-05-28
    • William ClarkJoseph DellagalaKenneth Consalvo
    • William ClarkJoseph DellagalaKenneth Consalvo
    • H01B700
    • H01B11/04H01B11/085H01B11/1091H01B13/04
    • An improved data telecommunications cable includes a plurality of twisted pairs of insulated conductors and at least one configurable tape separator disposed between the plurality of twisted pairs of insulated conductors along a longitudinal length of the cable. The communications cable also includes a jacket assembly enclosing the plurality of twisted pairs of insulated conductors and the configurable tape separator. The configurable tape separator separates at least one of the plurality of twisted pairs of insulated conductors from others of the plurality of twisted pairs of insulated conductors with a spacing sufficient to provide a desired crosstalk isolation between each of the plurality of twisted pairs of insulated conductors. The configurable tape separator may include a dielectric tape and one or more conductive or partially conductive layers.
    • 改进的数据通信电缆包括绝缘导体的多个双绞线和沿电缆的纵向长度设置在多个绝缘导体对之间的至少一个可配置带分离器。 通信电缆还包括封装多个绝缘导体的双绞线和可配置带分离器的护套组件。 可配置的带分离器将多个绝缘导体中的至少一个绝缘导线与绝缘导体的多对绞合线对中的至少一个隔离开,其间隔足以在多个绝缘导线的每对之间提供期望的串扰隔离。 可配置的带分离器可以包括电介质带和一个或多个导电或部分导电的层。
    • 72. 发明授权
    • PWM-based measurement interface for a micro-machined electrostatic actuator
    • 用于微加工静电执行器的基于PWM的测量接口
    • US06674383B2
    • 2004-01-06
    • US10012688
    • 2001-10-30
    • David HorsleyRobert ConantWilliam Clark
    • David HorsleyRobert ConantWilliam Clark
    • H03M166
    • G01R31/2829H02N1/002
    • Methods and apparatus for varying and measuring the position of a micromachined electrostatic actuator using a pulse width modulated (PWM) pulse train are disclosed. One or more voltage pulses are applied to the actuator. In each of the pulses, a voltage changes from a first state to a second state and remains in the second state for a time tpulse before returning to the first state. The position of the actuator may be varied by varying the time &Dgr;tpulse. A position of the actuator may be determined by measuring a capacitance of the actuator when the voltage changes state, whether the time t is varied or not. An apparatus for varying the position of a MEMS device may include a pulse width modulation generator coupled to the MEMS device an integrator coupled to the MEMS device and an analog-to-digital converter coupled to the integrator. The integrator may measure a charge transferred during a transition of a pulse from the pulse generator. The integrator may include an amplifier, an integrator capacitor, a hold capacitor, a compensation voltage generator and three switches. The hold capacitor and integrator capacitor may be coupled to a MEMS device. The integrator capacitor, hold capacitor, and compensation voltage generator may be selectively coupled to the amplifier by two of the switches. The MEMS device and hold capacitor may be selectively coupled to ground by a third switch.
    • 公开了使用脉冲宽度调制(PWM)脉冲串来改变和测量微加工静电致动器的位置的方法和装置。 一个或多个电压脉冲被施加到致动器。 在每个脉冲中,电压从第一状态改变到第二状态,并且在返回到第一状态之前保持在第二状态一段时间t脉冲。 致动器的位置可以通过改变Deltatpulse的时间来改变。 致动器的位置可以通过在电压改变状态时测量致动器的电容,时间t是否变化来确定。 用于改变MEMS器件的位置的装置可以包括耦合到MEMS器件的耦合到MEMS器件的积分器和耦合到积分器的模数转换器的脉宽调制发生器。 积分器可以测量在来自脉冲发生器的脉冲的转变期间传送的电荷。 积分器可以包括放大器,积分电容器,保持电容器,补偿电压发生器和三个开关。 保持电容器和积分电容器可以耦合到MEMS器件。 积分器电容器,保持电容器和补偿电压发生器可以通过两个开关选择性地耦合到放大器。 MEMS器件和保持电容器可以通过第三开关选择性地耦合到地。
    • 74. 发明授权
    • Multi-pair data cable with configurable core filling and pair separation
    • 多对数据电缆,可配置核心填充和对分离
    • US06248954B1
    • 2001-06-19
    • US09257844
    • 1999-02-25
    • William ClarkJoseph DellagalaKenneth Consalvo
    • William ClarkJoseph DellagalaKenneth Consalvo
    • H01B102
    • H01B13/04H01B11/04H01B11/085H01B11/1091
    • An improved data telecommunications cable according to the invention includes a plurality of twisted pairs of insulated conductors, and a dielectric pair separator formed with a plurality of folds, to provide a plurality of grooves extending along a longitudinal length of the dielectric filler. Each twisted pair of insulated conductors is disposed within a groove of the dielectric pair separator. The data communications cable also includes a jacket assembly enclosing the plurality of twisted pairs of insulated conductors and the dielectric pair separator. The dielectric pair separator separates each twisted pair of insulated conductors from every other twisted pair of insulated conductors with a spacing sufficient to provide a desired crosstalk isolation between each of the plurality of twisted pairs of insulated conductors. With this arrangement, the data communications cable of the invention may be used in high speed data transmissions while maintaining a form factor that has desired flexibility and workability, and provides a cable that is compatible with industry standard hardware, such as plugs and jacks. The data communications cable of the invention also has the additional benefit of a reduced size.
    • 根据本发明的改进的数据电信电缆包括多个绝缘导体的双绞线和形成有多个折叠的电介质对隔离件,以提供沿着介电填料的纵向长度延伸的多个凹槽。 每对双绞线绝缘导体设置在电介质对分离器的槽内。 数据通信电缆还包括封装多个绝缘导体双绞线和电介质对分离器的护套组件。 电介质对分离器将每对双绞绝缘导体与每隔一对的双绞绝缘导体隔开,间隔足以在多个绝缘导线对之间提供所需的串扰隔离。 通过这种布置,本发明的数据通信电缆可以用于高速数据传输,同时保持具有期望的灵活性和可操作性的外形尺寸,并且提供与行业标准硬件(例如插头和插孔)兼容的电缆。 本发明的数据通信电缆还具有减小尺寸的附加益处。