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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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