Objective lens positioning system for confocal tandem scanning reflected light microscope
US4863252A · kind A · utility
45Cited by
8References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 1988 |
| Grant date | Sep 5, 1989 |
| Priority date | — |
| Expiry date | Feb 11, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S359/90
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The objective lens in a confocal tandem scanning reflected light microscope is movable relative to the specimen stage by piezoelectric actuators controlled by a closed-loop feedback control system having eddy current sensors to detect lens position. Position control input is either manual or automatic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.