Short range radar for face tracking
US12400478B2 · kind B2 · utility
0Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2023 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Feb 28, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/168
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A radar transmit antenna of a head mounted device transmits a transmission radar signal to a face-region. A radar receiver antenna of the head mounted device receives a return radar signal from the face-region. The return radar signal is matched to a selected expression signal included in a plurality of expression signals stored in an expression database.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.