Device for determining the 3D coordinates of an object, in particular of a tooth
US8411917B2 · kind B2 · utility
5Cited by
6References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 18, 2008 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Sep 3, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C11/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A scanner is used for scanning an object (3, 4, 5), in particular a tooth or a plurality of teeth or a dental cast. The scanner (1) comprises a projector (2) for projecting a pattern (7) onto the object (3, 4, 5) and a camera which comprises a recording optics and an image sensor (18). To improve such scanner, the recording optics comprises a first imaging optics (9) and a second imaging optics (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.