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    Calibration fixture and method of calibrating contact sensors
    1.
    发明授权
    Calibration fixture and method of calibrating contact sensors 失效
    校准夹具和校准接触传感器的方法

    公开(公告)号：US5131259A

    公开(公告)日：1992-07-21

    申请号：US649457

    申请日：1991-02-01

    Applicant: Harry C. Kropp

    Inventor： Harry C. Kropp

    IPC: G01L25/00

    CPC classification number: G01L25/00

    Abstract: A calibration fixture for a contact sensor for applying a uniform pressure to each contact sensor intersection and a method of using the fixture. The fixture includes a first plate against which a contact sensor is supported, a second plate confronting the first plate and spaced therefrom, an annular sealing member supported on the second plate, a bladder disposed between the sealing member and the second plate to define a fluid pressure chamber circumscribed by the sealing member, a frame for holding the first and second plates in their confronting relationship, and a pressurized fluid entry passage extending through the second plate and communicating with the pressure chamber. The fixture is used by positioning a contact sensor between the first plate and the bladder, then pressurizing the fluid pressure chamber by introducing pressurized fluid thereinto to force the bladder into intimate contact with the contact sensor, uniformly to apply force against each electrode intersection circumscribed by the sealing member, and then sensing the outputs for each electrode intersection.

    Abstract translation: 一种用于向每个接触传感器交叉点施加均匀压力的接触传感器的校准夹具以及使用该夹具的方法。 所述固定装置包括第一板，接触传感器被支撑在所述第一板上，与所述第一板相对并与之隔开的第二板，支撑在所述第二板上的环形密封构件，设置在所述密封构件与所述第二板之间以限定流体 由密封构件限定的压力室，用于保持第一和第二板处于相互关系的框架，以及延伸穿过第二板并与压力室连通的加压流体进入通道。 通过将接触传感器定位在第一板和囊之间，然后通过将加压流体引入其中来对流体压力室加压以使气囊与接触传感器紧密接触以均匀地施加力，以对每个电极交叉点施加力 密封构件，然后感测每个电极交叉点的输出。

    Force sensor and method of making same
    2.
    发明授权
    Force sensor and method of making same 失效
    力传感器及其制作方法

    公开(公告)号：US5629488A

    公开(公告)日：1997-05-13

    申请号：US577427

    申请日：1995-12-22

    Applicant: Harry C. Kropp

    Inventor： Harry C. Kropp

    IPC: G01L1/20 ,  G01L1/00

    CPC classification number: G01L1/20

    Abstract: A force sensor and method for making same. A pair of backing sheets having confronting surfaces are substantially covered with conductive ink to form a pair of conductive layers. At least one of the conductive layers is coated with a semiconductive ink. The backing sheets are secured to each other with an interposed layer of non-conductive or insulative material, such as adhesive. The layer of non-conductive material is deposited in a pattern and defines at least one sensing area. Only when orthogonal force is exerted against the backing sheets at a location corresponding to the sensing area will current flow between the conductive layers.

    Abstract translation: 力传感器及其制作方法。 具有相对表面的一对背衬基本上被导电油墨覆盖以形成一对导电层。 导电层中的至少一个涂覆有半导体油墨。 背衬片通过插入的非导电或绝缘材料（例如粘合剂）固定到彼此。 非导电材料层以图案沉积并限定至少一个感测区域。 只有当在对应于感测区域的位置处对背衬片施加正交力时，电流将在导电层之间流动。

    Load washer
    3.
    发明授权
    Load washer 失效
    负载垫圈

    公开(公告)号：US5222399A

    公开(公告)日：1993-06-29

    申请号：US794486

    申请日：1991-11-19

    Applicant: Harry C. Kropp

    Inventor： Harry C. Kropp

    IPC: F16B31/02 ,  G01L1/20 ,  G01L5/24

    CPC classification number: F16B31/028 ,  G01L1/20 ,  G01L5/243

    Abstract: A load washer comprising a pair of thin metal washers between which a contact sensor is positioned. The contact sensor includes pairs of confronting electrodes at a plurality of spaced zones with a pressure sensitive resistive material between each pair, which, under pressure, provide an indication of the force applied to the load washer.

    Abstract translation: 一种负载垫圈，包括一对薄金属垫圈，接触传感器定位在该金属垫圈之间。 接触传感器包括在多个间隔区域处的成对的相对电极，每对之间具有压敏电阻材料，在压力下，压敏电阻材料提供施加到负载垫圈的力的指示。

    Electrical lead crossover, sensing cell with electrical lead crossover, and method for making same
    4.
    发明授权
    Electrical lead crossover, sensing cell with electrical lead crossover, and method for making same 失效
    电引线分频器，带电导线交叉的感应电池及其制造方法

    公开(公告)号：US5606136A

    公开(公告)日：1997-02-25

    申请号：US419374

    申请日：1995-04-10

    Applicant: Harry C. Kropp

    Inventor： Harry C. Kropp

    IPC: H03K17/96 ,  G06K9/00

    CPC classification number: H03K17/9645

    Abstract: A thin film sensing cell having an internal electrical lead crossover to provide electrical connections to the sensing cell at the same surface. In one form, the sensing cell comprises a bottom backing sheet having upper and lower surfaces, a first conductive pattern having a first portion deposited on the upper surface of the bottom backing sheet, with a first opening extending through the sheet and through the first portion of the conductive pattern, and a second opening extending through the sheet at a location displaced outwardly of the first conductive pattern. A second conductive pattern having first and second spaced portions is deposited on a lower surface of a top backing sheet. The top and bottom backing sheets are aligned such that the first portions are in confronting relationship, and the first and second conductive portions are electrically accessible, respectively, through the first and second openings.

    Abstract translation: 具有内部电引线交叉的薄膜感测单元，以在同一表面提供与感测单元的电连接。 在一种形式中，感测单元包括具有上表面和下表面的底部背衬片，第一导电图案，其具有沉积在底部背衬片材的上表面上的第一部分，第一开口延伸穿过片材并穿过第一部分 以及在位于第一导电图案向外的位置延伸穿过片材的第二开口。 具有第一和第二间隔部分的第二导电图案沉积在顶部背衬片材的下表面上。 顶部和底部背衬片被对准以使得第一部分处于面对的关系，并且第一和第二导电部分分别通过第一和第二开口电接触。

    Large area sensing cell
    5.
    发明授权
    Large area sensing cell 失效
    大面积感应池

    公开(公告)号：US5563354A

    公开(公告)日：1996-10-08

    申请号：US415484

    申请日：1995-04-03

    Applicant: Harry C. Kropp

    Inventor： Harry C. Kropp

    IPC: B60Q5/00 ,  B60R21/2165 ,  G01L1/18 ,  G01L1/20 ,  G01L1/00

    CPC classification number: B60R21/21658 ,  B60Q5/003 ,  G01L1/18 ,  G01L1/20

    Abstract: A thin film force sensor designed to sense application of a force over a wide area. In one embodiment, a large area sensing cell is provided that comprises a first planar electrode configured as a perimetric conductive portion circumscribing at least one additional perimetric conductive portion, with the conductive portions electrically connected together through at least one conductive path and a second planar electrode configured as a perimetric conductive portion circumscribing at least one additional perimetric conductive portion, with the conductive portions electrically connected together through at least one conductive path. The second planar electrode confronts the first planar electrode, with a pressure sensitive resistive material interposed between the first planar electrode and the second planar electrode. The conductive portions of the first planar electrode are substantially coextensive with the conductive portions of the second planar electrode, such that application of a broad force applying means anywhere within the perimeter of the perimetric conductive portion is electrically discernible, and a conductive lead extends from each electrode for providing an electrical termination for the electrode.

    Abstract translation: 薄膜力传感器设计用于在广泛的区域上感测力的应用。 在一个实施例中，提供了一种大面积感测单元，其包括构造成围绕至少一个附加的周边导电部分的周边导电部分的第一平面电极，其中导电部分通过至少一个导电路径和第二平面电极电连接在一起 被配置为围绕至少一个附加的周边导电部分的周边导电部分，其中所述导电部分通过至少一个导电路径电连接在一起。 所述第二平面电极面对所述第一平面电极，其中压敏电阻材料置于所述第一平面电极和所述第二平面电极之间。 第一平面电极的导电部分与第二平面电极的导电部分基本上共同延伸，使得在周边导电部分的周边内的任何地方施加广泛的施力装置是电可辨别的，并且导电引线从每个 用于为电极提供电终端的电极。

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