Handheld magnification device with a two-camera module
US8913138B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2012 |
| Grant date | Dec 16, 2014 |
| Priority date | — |
| Expiry date | Jul 11, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2101/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A handheld magnification device for displaying a magnified representation of an object in a see-through manner is provided. The handheld magnification device includes a casing and a first and a second camera both adapted to acquire an image of the object, and having respectively a first working range proximate the handheld magnification device and a second working range different from and extending beyond the first working range. The handheld magnification device also includes a distance-sensitive sensor for measuring a distance parameter representative of a distance between the object and the handheld magnification device, as well as a processing unit for automatically selecting, based on the distance parameter and the first and second working ranges, one of the first and second cameras as a selected camera. The handheld magnification device further includes a display for displaying the magnified representation of the object based on the image acquired by the selected camera.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.