发明授权
- 专利标题: Inertial pendulum
- 专利标题(中): 惯性摆
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申请号: US385481申请日: 1982-06-07
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公开(公告)号: US4738032A公开(公告)日: 1988-04-19
- 发明人: William B. Elmer
- 申请人: William B. Elmer
- 专利权人: Elmer William B
- 当前专利权人: Elmer William B
- 主分类号: G09B23/10
- IPC分类号: G09B23/10 ; G01C9/12
摘要:
A pendulum has a weight suspended from a bar at an essentially frictionless pivot near the center of gravity of the weight.
公开/授权文献
- US5565250A Multi-layer film 公开/授权日:1996-10-15
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