| 发明名称 |
Device and method for implementing a key |
| 摘要 |
A device and method for implementing a key, in which a field applied to a layer comprising a material whose volume is responsive to the magnitude of field is altered (53) at a specified position to create a key in said position; said field being one of the following: electric field, magnetic field, both of the above.
|
| 申请公布号 |
US2001040558(A1) |
申请公布日期 |
2001.11.15 |
| 申请号 |
US20010853384 |
申请日期 |
2001.05.11 |
| 申请人 |
TAKALA ROOPE;KUJALA ANTII |
发明人 |
TAKALA ROOPE;KUJALA ANTII |
| 分类号 |
G06F3/02;G06F3/033;G06F3/041;G06F3/048;G06F3/0488;H01H13/702;H01H13/785;(IPC1-7):G09G5/00 |
主分类号 |
G06F3/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
