发明名称 |
Variable color digital display for emphasizing position of decimal point |
摘要 |
A variable color digital display includes a scanner for interrogating an exhibited string of digits to determine the position of a decimal point. Color control accordingly illuminates all digits that precede the decimal point in a first color and all digits that follow the decimal point in a second color.
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申请公布号 |
US5003298(A) |
申请公布日期 |
1991.03.26 |
申请号 |
US19890379616 |
申请日期 |
1989.07.14 |
申请人 |
HAVEL, KAREL |
发明人 |
HAVEL, KAREL |
分类号 |
G01R13/02;G01R13/40;G01R15/12;G09G3/14 |
主分类号 |
G01R13/02 |
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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