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    • 6. 发明授权
    • Gas sensor and method thereof
    • 气体传感器及其方法
    • US07918989B2
    • 2011-04-05
    • US11543932
    • 2006-10-06
    • Dong-hun KangWan-jun ParkChan-jin Park
    • Dong-hun KangWan-jun ParkChan-jin Park
    • G01N27/26
    • G01N33/0054B82Y15/00G01N33/005Y02A50/246Y10S977/92
    • A gas sensor and method thereof are provided. The example gas sensor may include first and second electrodes formed on a substrate, a carbon nanotube connecting the first and second electrodes on the substrate, a light source disposed above the carbon nanotube and an ampere meter measuring current flowing between the first and second electrodes. The example method may be directed to identifying a gas, and may include measuring a first current responsive to a first applied voltage during a first mode of operation, comparing the first measured current with a plurality of first index current values to obtain a first comparison result, each of the plurality of first index current values associated with one of a plurality of gases, measuring a second current responsive to a second applied voltage during a second mode of operation, comparing the second measured current with a plurality of second index current values to obtain a second comparison result, each of the plurality of second index current values associated with one of the plurality of gases and determining gas characteristic information based on the first and second comparison results.
    • 提供了一种气体传感器及其方法。 示例性气体传感器可以包括形成在基板上的第一和第二电极,连接基板上的第一和第二电极的碳纳米管,设置在碳纳米管上方的光源和测量在第一和第二电极之间流动的电流的安培计。 示例性方法可以用于识别气体,并且可以包括在第一操作模式期间测量响应于第一施加电压的第一电流,将第一测量电流与多个第一指数电流值进行比较以获得第一比较结果 与多个气体中的一个相关联的多个第一指数电流值中的每一个在第二操作模式期间测量响应于第二施加电压的第二电流,将第二测量电流与多个第二指数电流值进行比较 获得第二比较结果,所述多个第二指数电流值中的每一个与所述多个气体中的一个相关联,并且基于所述第一和第二比较结果确定气体特性信息。
    • 7. 发明申请
    • Gas sensor and method thereof
    • 气体传感器及其方法
    • US20070158209A1
    • 2007-07-12
    • US11543932
    • 2006-10-06
    • Dong-hun KangWan-jun ParkChan-jin Park
    • Dong-hun KangWan-jun ParkChan-jin Park
    • G01N27/26
    • G01N33/0054B82Y15/00G01N33/005Y02A50/246Y10S977/92
    • A gas sensor and method thereof are provided. The example gas sensor may include first and second electrodes formed on a substrate, a carbon nanotube connecting the first and second electrodes on the substrate, a light source disposed above the carbon nanotube and an ampere meter measuring current flowing between the first and second electrodes. The example method may be directed to identifying a gas, and may include measuring a first current responsive to a first applied voltage during a first mode of operation, comparing the first measured current with a plurality of first index current values to obtain a first comparison result, each of the plurality of first index current values associated with one of a plurality of gases, measuring a second current responsive to a second applied voltage during a second mode of operation, comparing the second measured current with a plurality of second index current values to obtain a second comparison result, each of the plurality of second index current values associated with one of the plurality of gases and determining gas characteristic information based on the first and second comparison results.
    • 提供了一种气体传感器及其方法。 示例性气体传感器可以包括形成在基板上的第一和第二电极,连接基板上的第一和第二电极的碳纳米管,设置在碳纳米管上方的光源和测量在第一和第二电极之间流动的电流的安培计。 示例性方法可以用于识别气体,并且可以包括在第一操作模式期间测量响应于第一施加电压的第一电流,将第一测量电流与多个第一指数电流值进行比较以获得第一比较结果 与多个气体中的一个相关联的多个第一指数电流值中的每一个在第二操作模式期间测量响应于第二施加电压的第二电流,将第二测量电流与多个第二指数电流值进行比较 获得第二比较结果,所述多个第二指数电流值中的每一个与所述多个气体中的一个相关联,并且基于所述第一和第二比较结果确定气体特性信息。