Cone shaped focusing lens
US9490378B2 · kind B2 · utility
1Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2014 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | Jun 2, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F77/50
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical assembly can be used in various optical devices such as optical proximity sensors, gesture sensors, or imaging sensors. The optical assembly may include a lens assembly and a light detector. The lens assembly may be configured to limit off axis rays at a central area of the light detector. The lens assembly can be a high aspect ratio lens assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.