| 发明名称 |
Apparatus and method for producing an electrical signal responsive to handwriting characteristics |
| 摘要 |
The invention relates to a means and method for producing an electrical signal responsive to identifying characteristics of handwriting. The electrical signal is produced responsive to variations in writing pressure between a writing instrument and a ridged writing surface.
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| 申请公布号 |
US4122435(A) |
申请公布日期 |
1978.10.24 |
| 申请号 |
US19770841013 |
申请日期 |
1977.10.11 |
| 申请人 |
LGZ LANDIS & GYR ZUG AG |
发明人 |
GREENAWAY, DAVID LESLIE |
| 分类号 |
B43K29/08;G06K9/00;G07C9/00;(IPC1-7):G06K9/00 |
主分类号 |
B43K29/08 |
| 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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