发明名称 Vertical leap measuring apparatus and method
摘要 A vertical leap measuring apparatus and method is illustrated including a series of vertically spaced electric pressure-sensitive switches and a device for recording an indication reflecting height reached both from a standing position and subsequently from a vertical leap, wherein the difference between the two indications of height reached is calculated to determine the height of the vertical leap.
申请公布号 US4932137(A) 申请公布日期 1990.06.12
申请号 US19890368194 申请日期 1989.06.19
申请人 HALEY, FREDERICK M.;WALKER, JAMES E. 发明人 HALEY, FREDERICK M.;WALKER, JAMES E.
分类号 A63B5/16;G01B7/02 主分类号 A63B5/16
代理机构 代理人
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