Dental imaging device for colorimetric and/or translucence calibration
US10842592B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2018 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Apr 13, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/555
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An imaging device including a support, a mouth retractor fastened to the support and defining a retractor opening, a colorimetric calibration chart and/or a translucence calibration chart and a light source that is oriented so as to illuminate both the teeth of the patient through the retractor opening and the colorimetric calibration chart and/or the translucence calibration chart. Structure for fastening an image acquisition apparatus to the support in a position in which the acquisition apparatus is oriented so as to receive an image of both the retractor opening and of the colorimetric calibration chart and/or of the translucence calibration chart.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.