Eye contact detection device
US11657134B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2019 |
| Grant date | May 23, 2023 |
| Priority date | — |
| Expiry date | Oct 30, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/19
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
[Problem(s) to be solved]To provide an eye contact detection device that achieves man-machine interface based on eye contact.[Means for solving problem(s)]An eye contact detection device according to the present invention includes: a light emitting element 200 for emitting light from an opening 260 in an optical axis direction; a light receiving element 220 for receiving light emitted from the light emitting element 200 and reflected off by the eyeball E of user to output an electrical signal in accordance with the received light; a detection circuit 230 for amplifying and binarizing an analog electrical signal output from the light receiving element 220, and an eye contact determination unit 240 for determining the presence or absence of eye contact of user U based on a detection signal output from the detection circuit 230.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.