发明名称 ALPHA RAY PATTERN RECOGNITION SYSTEM
摘要 A system for reading out a pattern of areas each of which may or may not be transparent to alpha rays, by counting the alpha rays passing through each of the areas for a predetermined common time interval, to ascertain for which areas a predetermined count is attained in a predetermined time interval.
申请公布号 US3679877(A) 申请公布日期 1972.07.25
申请号 USD3679877 申请日期 1969.06.18
申请人 LEON WEINER;JOHN E. KILPATRICK;ROBERT J. SPIGER 发明人 LEON WEINER;JOHN E. KILPATRICK;ROBERT J. SPIGER
分类号 G01N23/02;G01T1/24;G06K7/10;(IPC1-7):G06M11/04 主分类号 G01N23/02
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