| 发明名称 |
REFLECTOR SYSTEM FOR DETERMINING POSITION |
| 摘要 |
The invention describes a reflector system for determining the position of instruments and devices, wherein the reflector (3, 4, 5) is formed from a retroreflective ba ll of a material with a refractive index of approximately 1.9. |
| 申请公布号 |
CA2394732(C) |
申请公布日期 |
2007.12.11 |
| 申请号 |
CA20002394732 |
申请日期 |
2000.12.18 |
| 申请人 |
NORTHERN DIGITAL INC. |
发明人 |
BRUNNER, GEORG;SCHMID, MANFRED |
| 分类号 |
G01S17/08;A61B19/00;G01B11/24;G01C15/02;G01S7/48;G02B5/12;G02B5/126 |
主分类号 |
G01S17/08 |
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