公开(公告)号：WO2003034315A2

公开(公告)日：2003-04-24

申请号：PCT/US2002/032525

申请日：2002-10-11

Applicant: DELPHI TECHNOLOGIES, INC.

Inventor： HAAG, Ronald, Helmut ,  DEPLAE, Brian ,  HUSIC, Jeremy, M. ,  PASIECZNIK, John, Jr.

IPC: G06K

CPC classification number: E05F15/46 ,  E05Y2600/40 ,  H03K2017/9602 ,  H03K2217/96078

Abstract: A flexible, capacitive strip for use in a non-contact obstacle detection system is disclosed. In an exemplary embodiment, the strip includes an elongated body for flexible mounting to a panel along a bottom surface of the elongated body. A first elongated planar conductor is contained within an upper section of the elongated body, and a longitudinal cavity is formed through a central portion of the elongated body, the longitudinal cavity being disposed between the planar conductor and the bottom surface. The first elongated planar conductor forms a first electrode of a sensing capacitor and the longitudinal cavity defines a portion of a dielectric material of the sensing capacitor.

Abstract translation: 公开了一种用于非接触障碍物检测系统的柔性电容条。 在示例性实施例中，条带包括细长主体，用于沿着细长主体的底表面柔性地安装到面板。 第一细长平面导体容纳在细长主体的上部中，并且纵向空腔通过细长主体的中心部分形成，纵向腔体设置在平面导体和底部表面之间。 第一细长平面导体形成感测电容器的第一电极，并且纵向空腔限定感测电容器的介电材料的一部分。

公开(公告)号：WO2003034315A3

公开(公告)日：2003-04-24

申请号：PCT/US2002/032525

申请日：2002-10-11

Applicant: DELPHI TECHNOLOGIES, INC.

Inventor： HAAG, Ronald, Helmut ,  DEPLAE, Brian ,  HUSIC, Jeremy, M. ,  PASIECZNIK, John, Jr.

IPC: H01H3/16

Abstract: A flexible, capacitive strip (12) for use in a non-contact obstacle detection system is disclosed. In an exemplary embodiment, the strip (12) includes an elongated body (14) for flexible mounting to a panel (20) along a bottom surface (18) of the elongated body (14). A first elongated planar conductor (22) is contained within an upper section (24) of the elongated body (14), and a longitudinal cavity (26) is formed through a central portion of the elongated body (14), the elongated cavity (26) being disposed between the planar conductor (22) and the bottom surface (18). The first elongated planar conductor (22) forms a first electrode of a sensing capacitor and the longitudinal cavity (26) defines a portion of a dielectric material of the sensing capacitor.

公开(公告)号：WO2003034080A1

公开(公告)日：2003-04-24

申请号：PCT/US2002/032584

申请日：2002-10-11

Applicant: DELPHI TECHNOLOGIES, INC.

Inventor： HAAG, Ronald, Helmut ,  PASIECZNIK, John, Jr. ,  DEPLAE, Brian ,  HUSIC, Jeremy, M.

IPC: G01R27/26

CPC classification number: H03K17/955 ,  E05F15/46 ,  E05Y2600/40 ,  H03K2017/9602

Abstract: A method for detecting a change in capacitance of a capacitive sensing element having a nominal capacitance value is disclosed. In an exemplary embodiment, the method includes coupling the sensing element to a first oscillator (42), the first oscillator generating a first frequency dependent on the capacitance value of the first sensing element. The first frequency is compared to a reference frequency generated by a reference oscillator (40). The change in capacitance from the nominal capacitance value is detected if the first frequency differs from said reference frequency by a determined frequency value.

Abstract translation: 公开了一种用于检测具有标称电容值的电容式感测元件的电容变化的方法。 在示例性实施例中，该方法包括将感测元件耦合到第一振荡器（42），第一振荡器产生取决于第一感测元件的电容值的第一频率。 将第一频率与由参考振荡器（40）产生的参考频率进行比较。 如果第一频率与所述参考频率不同于所确定的频率值，则检测来自标称电容值的电容的变化。