Objective, camera and system adapted for optogenetics comprising such objective
US11320649B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 28, 2018 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | May 19, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention concerns an objective (10) for imaging an object field of view of 10° onto an imager (12), the objective (10) comprising in order of the propagating direction: —a first lens unit (U1) comprising several lenses, the first lens unit (U1) having a positive first focal length and a first dimension inferior to 15 millimeters, —a bending mirror (M) adapted to bend at a 90° angle, —a liquid lens (LL), and —a second lens unit (U2) comprising several lenses, the second lens unit (U2) having a positive second focal length and a second dimension, the ratio between the first focal length and the second focal length being comprised between 1.0 and 2.0 and the ratio between the first dimension and the second dimension being superior or equal to 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.