Spectrum measurement device
US9305220B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 8, 2011 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Jan 15, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/166
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A spectrum measurement device that recognizes objects to be measured on the basis of spectral data of observed light that is detected by a spectrum sensor capable of measuring wavelength information and light intensity information. The spectrum measurement device comprises a lighting device capable of projecting light that includes a wavelength region with a high atmospheric absorption index and recognizes the distance from a vehicle to an object to be measured through a computation that uses spectral data of observed light that is obtained from the object to be measured whereupon light of at least the wavelength region with the high atmospheric absorption index is projected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.