Vehicle camera with multiple spectral filters
US10132971B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 1, 2017 |
| Grant date | Nov 20, 2018 |
| Priority date | — |
| Expiry date | May 23, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/60
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A vision system for a vehicle includes a camera configured to be disposed at a vehicle so as to have a field of view exterior of the vehicle. The camera includes a lens and an imager, and light passing through the lens is received at the imager via an optic path from the lens to the imager. The camera includes at least two spectral filters, each having a respective cutoff wavelength and (i) passing visible light below the respective cutoff wavelength, (ii) attenuating light above the respective cutoff wavelength. A control is operable to move the spectral filters relative to the optic path. The control positions a selected one of the spectral filters in the optic path so that the imager images visible light below the respective cutoff wavelength of the selected spectral filter. An image processor is operable to process image data captured by the camera.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.