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    • 2. 发明授权
    • Band clamp having radial alignment feature
    • 带夹具具有径向对准特征
    • US08590944B2
    • 2013-11-26
    • US12916826
    • 2010-11-01
    • Timothy J. JohnsonMarc Friedrich
    • Timothy J. JohnsonMarc Friedrich
    • F16L17/00
    • F16L23/08F02B37/00F02M35/10144
    • A band type clamp for securing together first and second pipe sections each having outwardly projecting flanges with opposing flange faces that extend about the circumference thereof is described. The band type clamp includes a conforming material disposed between the band type clamp and the outwardly projecting flanges and is configured to engage the outwardly projecting flanges and to exert an inwardly directed radial force thereon when the band type clamp is tightened from a first un-tightened position to a second tightened position and to radially pilot the outer surfaces and the first and second pipe sections relative to each other and the corresponding centerlines thereof.
    • 描述了用于将第一和第二管段固定在一起的带状夹具,每个管段具有向外突出的凸缘,该凸缘具有围绕其圆周延伸的相对的凸缘面。 带状夹具包括设置在带状夹持件和向外突出的凸缘之间的适形材料,并且构造成接合向外突出的凸缘并且当带状夹具从第一未紧固时紧固时施加向内的径向力 位置到第二紧固位置并且相对于彼此及其相应的中心线径向引导外表面和第一和第二管段。
    • 4. 发明授权
    • Methods and systems for remote detection of gases
    • 用于远程检测气体的方法和系统
    • US08269170B2
    • 2012-09-18
    • US11974856
    • 2007-10-15
    • Timothy J. Johnson
    • Timothy J. Johnson
    • G01N21/00
    • G01J3/108G01N21/3504
    • Novel systems and methods for remotely detecting at least one constituent of a gas via infrared detection are provided. A system includes at least one extended source of broadband infrared radiation and a spectrally sensitive receiver positioned remotely from the source. The source and the receiver are oriented such that a surface of the source is in the field of view of the receiver. The source includes a heating component thermally coupled to the surface, and the heating component is configured to heat the surface to a temperature above ambient temperature. The receiver is operable to collect spectral infrared absorption data representative of a gas present between the source and the receiver. The invention advantageously overcomes significant difficulties associated with active infrared detection techniques known in the art, and provides an infrared detection technique with a much greater sensitivity than passive infrared detection techniques known in the art.
    • 提供了用于通过红外检测来远程检测气体的至少一种成分的新型系统和方法。 系统包括至少一个扩展的宽带红外线辐射源和远离源极的光谱灵敏的接收器。 源和接收器被定向成使得源的表面处于接收器的视野中。 源包括热耦合到表面的加热部件,并且加热部件构造成将表面加热到高于环境温度的温度。 接收器可操作以收集表示源和接收器之间存在的气体的光谱红外吸收数据。 本发明有利地克服了与本领域已知的主动红外检测技术相关的显着困难,并提供了比本领域已知的被动红外检测技术更高的灵敏度的红外检测技术。
    • 7. 发明授权
    • Methods and systems for remote detection of gases
    • 用于远程检测气体的方法和系统
    • US07301148B2
    • 2007-11-27
    • US10422027
    • 2003-04-23
    • Timothy J. Johnson
    • Timothy J. Johnson
    • G01J5/20
    • G01J3/108G01N21/3504
    • Novel systems and methods for remotely detecting at least one constituent of a gas via infrared detection are provided. A system includes at least one extended source of broadband infrared radiation and a spectrally sensitive receiver positioned remotely from the source. The source and the receiver are oriented such that a surface of the source is in the field of view of the receiver. The source includes a heating component thermally coupled to the surface, and the heating component is configured to heat the surface to a temperature above ambient temperature. The receiver is operable to collect spectral infrared absorption data representative of a gas present between the source and the receiver. The invention advantageously overcomes significant difficulties associated with active infrared detection techniques known in the art, and provides an infrared detection technique with a much greater sensitivity than passive infrared detection techniques known in the art.
    • 提供了用于通过红外检测来远程检测气体的至少一种成分的新型系统和方法。 系统包括至少一个扩展的宽带红外线辐射源和远离源极的光谱灵敏的接收器。 源和接收器被定向成使得源的表面处于接收器的视野中。 源包括热耦合到表面的加热部件,并且加热部件构造成将表面加热到高于环境温度的温度。 接收器可操作以收集表示源和接收器之间存在的气体的光谱红外吸收数据。 本发明有利地克服了与本领域已知的主动红外检测技术相关的显着困难,并提供了比本领域已知的被动红外检测技术更高的灵敏度的红外检测技术。
    • 8. 发明授权
    • Internally synchronous matrix structure for use in externally
asynchronous programmable devices
    • 用于外部异步可编程器件的内部同步矩阵结构
    • US4658253A
    • 1987-04-14
    • US786701
    • 1985-10-09
    • Timothy J. Johnson
    • Timothy J. Johnson
    • G11C17/18H03K19/177H04Q1/00G06F7/38H03K19/173
    • G11C17/18H03K19/1772
    • The speed of operation of a programmable logic device which contains internally synchronous circuit structure is increased by an improved architecture which does not require a power-up transition cycle. Synchronous operation is carried out only for one transition. In each column of the matrix of programmable cells, the rows of which are coupled to receive the logic signals upon which the device is to operate, the programmable cells of that column are coupled via a respective inverter feedback pair to a column output link of the matrix. The connection between the programmable cells of the matrix and the inverter feedback pairs are coupled to pull-down switch devices control inputs of which are coupled to the output of an OR tie, inputs or which depend upon a prescribed transition on row input links. This transition is detected by respective transition detectors which trigger only on a particular transition edge. When the row inputs to the matrix change state, the column outputs follow the transitions asynchronously, with the only delay being that imparted by the inherent delay through the inverter feedback pairs. When the row inputs switch or transition to the opposite state, the transition detector of each row provides an output which, through the OR tie, triggers the pull-down switches. These pull-down switches are capable of overriding the feedback inverter pair to force the column low if it had previously been high and if no other row is holding the column high. For this transition, the matrix operates synchronously.
    • 包含内部同步电路结构的可编程逻辑器件的操作速度通过不需要上电转换周期的改进架构来增加。 仅对一次转换执行同步操作。 在可编程单元的矩阵的每列中,其行被耦合以接收设备将在其上操作的逻辑信号,该列的可编程单元经由相应的反相器反馈对耦合到 矩阵。 矩阵的可编程单元与反相器反馈对之间的连接耦合到下拉开关器件,其控制输入耦合到OR引脚的输出,输入或取决于在行输入链路上的规定转换。 该转变由仅在特定过渡边缘触发的相应转换检测器检测。 当行输入到矩阵改变状态时,列输出异步跟随转换,唯一的延迟是由逆变器反馈对的固有延迟赋予的延迟。 当行输入切换或转换到相反的状态时,每行的转换检测器提供了一个输出,通过OR关系触发下拉开关。 这些下拉开关能够覆盖反馈逆变器对,如果先前已经很高,并且没有其他行将色谱柱保持在高位置,则强制色谱柱为低。 对于此转换,矩阵同步运行。