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1. 发明申请

WO9950630A2 LINEAR FORCE SENSING DEVICE 审中-公开
标题翻译：线性感应装置
公开(公告)号：WO9950630A2
公开(公告)日：1999-10-07
申请号：PCT/US9906841
申请日：1999-03-29
申请人： SENSOR CORP C , GRAY J GLENN
发明人： GRAY J GLENN
IPC分类号： G01G7/06 , G01L1/14 , G01L
CPC分类号： G01G7/06 , G01L1/142
摘要： The force sensing device (10) of the present invention provides an elastomeric spacer (16) coupled between a base member (12) and platform structure (14). The characteristics of the spacer material allow the spacer (16) to be linearly deformable upon application of force (54), and this deformation region is known as the linear travel distance (50) of the spacer (16). The remaining region has substantially no additional deformation with respect to force (54) applied, and is known as the non-deformable distance (58) of the spacer (16). A sensing mechanism built directly into the device provides a means for sensing the linear travel distance (50) upon various applications of force (54). More specifically, the sensory mechanism includes a movable and fixed portion (32, 34) respectively, separated by a distance equal to the aforementioned linear travel distance (50). The sensing mechanism can be of a type that detects electro-magnetic, electro-optical or any other electrical property or event, but is preferably a variable capacitor having a first and second electrode (32, 34) as the movable and fixed portions (32, 34). Finally, an electrical circuit (42) may be connected to the sensing mechanism to measure the change in electrical signal in direct response to the changed distance between the movable and fixed (32, 34) portions.
摘要翻译：本发明的力感测装置（10）提供了一种联接在基部构件（12）和平台结构（14）之间的弹性体间隔件（16）。隔离材料的特性允许间隔物（16）在施加力（54）时可线性地变形，并且该变形区域被称为间隔物（16）的线性行进距离（50）。剩余区域相对于施加的力（54）基本上没有额外的变形，并且被称为间隔件（16）的不可变形距离（58）。直接构建到装置中的感测机构提供了用于在各种施加力（54）时感测线性行进距离（50）的装置。更具体地，感觉机构包括分别与等于上述线性行进距离（50）的距离分开的可移动和固定部分（32,34）。感测机构可以是检测电磁，电光或任何其他电气特性或事件的类型，但是优选地是具有作为可移动和固定部分（32）的第一和第二电极（32,34）的可变电容器，34）。最后，可以将电路（42）连接到感测机构，以直接响应于可移动和固定（32,34）部分之间的改变的距离来测量电信号的变化。

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