发明名称 BOWLING SPLIT DETECTOR
摘要 A bowling "split" indicator in which signals are provided to indicate which pins are still standing after the first ball is rolled, and in which means are provided to determine whether the formation of the standing pins comprises a split, and to indicate the appearance of a split, and to disable the indicator if the headpin is still standing.
申请公布号 US3637211(A) 申请公布日期 1972.01.25
申请号 USD3637211 申请日期 1965.10.19
申请人 RCA CORP. 发明人 WALTER A. HELBIG;WILLIAM E. WOODS
分类号 A63D5/04;(IPC1-7):A63D5/04 主分类号 A63D5/04
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