Intraoral 3D scanner employing multiple miniature cameras and multiple miniature pattern projectors
US11896461B2 · kind B2 · utility
3Cited by
4References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2019 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | Jun 25, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30036
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for intraoral scanning includes an elongate handheld wand that has a probe. One or more light projectors and two or more cameras are disposed within the probe. The light projectors each has a pattern generating optical element, which may use diffraction or refraction to form a light pattern. Each camera may be configured to focus between 1 mm and 30 mm from a lens that is farthest from the camera sensor. Other applications are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.