Ranging device and ranging module and image-capturing device using the ranging device or the ranging module
US8405820B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 29, 2010 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | Apr 24, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C3/085
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A ranging device including: a lens array member which has first and second ranging lenses, optical axes of the pair of ranging lenses being parallel to each other, and first and second optical images of a subject being formed by the first and the second ranging lenses respectively; a mirror array member which has first and second reflecting members, each of the pair of reflecting members being provided with a reflecting plane; a medium mirror member which has first and second reflecting planes, the medium mirror member being arranged between the pair of reflecting members; an imaging element which is configured to convert the first and the second optical images to electronic signals; and an electronic circuit which is configured to calculate a distance to the subject based on the electronic signals output from the imaging element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.