发明名称 Golfer's head movement indicator
摘要 A golfer's training aid which audibly signals any improper head motion during a golf swing. A compact, integrated unit contains a battery, an on-off switch, a buzzer and a motion sensor all electrically connected in series and mounted inside the front panel of a golfer's cap. Any improper head movement during the swing is sensed by the motion sensor which activates the buzzer.
申请公布号 US4869509(A) 申请公布日期 1989.09.26
申请号 US19880235060 申请日期 1988.08.23
申请人 LEE, SUNG Y. 发明人 LEE, SUNG Y.
分类号 A63B69/36 主分类号 A63B69/36
代理机构 代理人
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