Optical sensor and sensing method using the same
US9109885B2 · kind B2 · utility
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3References
10Claims
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Key dates
| Filing date | Feb 28, 2012 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | Jun 17, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C3/08
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The optical sensor according to an embodiment disclosed herein includes: a lighting unit; a color photographing element for obtaining a color image in the sensing region; a photographing control unit for controlling a light irradiating time; a memory unit for storing a color image and a resultant image; a measurement light image extracting unit for processing the color image or the resultant image; a distance calculating unit for calculating distance or location information of the object; and a color correcting unit for calculating corrected distance or location information of the object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.