Coded zoom knob, microscope having the same and method for retrofitting a coded zoom knob
US11460681B2 · kind B2 · utility
0Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2020 |
| Grant date | Oct 4, 2022 |
| Priority date | — |
| Expiry date | Nov 26, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B21/241
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates to a coded zoom knob (3) for detecting the rotation of the zoom drive shaft (4) of a zoom system (10) of a microscope (1), comprising a magnet (34) coupled to the zoom drive shaft (4), and a magnetic sensor (43) rotatably decoupled from the magnet (34) for sensing a rotation of the magnet (34).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.