发明名称 |
Method and apparatus for recording a signature |
摘要 |
The pressure exerted while writing a signature is transduced to an electrical analog signal which is periodically converted to a binary coded number representing the average amplitude of the pressure between periodic samplings.
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申请公布号 |
US4035769(A) |
申请公布日期 |
1977.07.12 |
申请号 |
US19750621662 |
申请日期 |
1975.10.14 |
申请人 |
VERIPEN, INC. |
发明人 |
STERNBERG, JACOB;FREUND, ROBERT W. |
分类号 |
G06F7/62;G06K9/00;G07C9/00;(IPC1-7):G06K9/00 |
主分类号 |
G06F7/62 |
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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