Device for training to play golf

专利名称：Device for training to play golf发明人：Alain P. Perreau,Jean-Louis Perreau申请号：US06/579076申请日：19840210公开号：US04560167A公开日：19851224

摘要：The present invention relates to a device for training to play golf. Above a blackdisc is coaxially held a detector comprising a phototransistor which monitors a surface ofdiameter equal to that of a golf hole less the diameter of a golf ball and which sends toan electronic circuit any variation of light due to the passage of a golf ball, this electroniccircuit measures the duration of this variation, comparing it with a predeterminedduration and signalling the probability of this ball dropping into a golf hole or passingabove it or to the side.

申请人：SIDINTER S.A.

代理机构：Cushman, Darby & Cushman

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