发明授权
- 专利标题: Universal material test system and method
- 专利标题(中): 通用材料试验系统及方法
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申请号: US56711申请日: 1993-05-03
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公开(公告)号: US5438863A公开(公告)日: 1995-08-08
- 发明人: Jeffrey W. Johnson
- 申请人: Jeffrey W. Johnson
- 申请人地址: OH Akron
- 专利权人: The B. F. Goodrich Company
- 当前专利权人: The B. F. Goodrich Company
- 当前专利权人地址: OH Akron
- 主分类号: G01N3/08
- IPC分类号: G01N3/08 ; G01N11/04 ; G01N19/04 ; G01N33/44
摘要:
A universal test system for determining material properties of a specimen includes a base; a force sensing element in a fixed relative position to said base; a sample holder in a fixed relative position to said force sensing element, the sample holder adapted to receive a sample; a vertically movable element for contacting the sample in the sample holder and exerting a force thereon; and a controller for controlling the vertical position of the vertically movable element; wherein the force sensing element transfers an indication of the force exerted on the sample by the vertically movable element to the controller and wherein the controller controls the position of the vertically movable element in accordance with the indication of force sensed by the force sensing element.
公开/授权文献
- US6025765A Gyrator with loop amplifiers connected to inductive elements 公开/授权日:2000-02-15