Device configured to enable a face to be observed
US7394538B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 21, 2005 |
| Grant date | Jul 1, 2008 |
| Priority date | — |
| Expiry date | Jan 20, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D2044/007
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A device may include a display system including at least one of a mirror and a video system including a camera and a screen configured to return to a user positioned in front of the camera, an image acquired by the camera. The device may also include: a first polarizing system configured to polarize in a first direction light emitted by a light source; a second polarizing system configured to polarize in a second direction light received by the mirror or the camera; a mechanism configured to vary an angular offset between the first and second directions; and an angular-offset identifier system configured to identify at least three different angular offsets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.