Patent · US Active

Method and apparatus for illumination

US8459811B2 · kind B2 · utility

0Cited by

3References

20Claims

0Family size

Assignee

Nokia · FI

Inventors

Sakari Alenius · Lempäälä, FI
Markku Vehvilainen · Tampere, FI
Radu Ciprian Bilcu · Tampere, FI

Key dates

Filing date	Dec 30, 2009
Grant date	Jun 11, 2013
Priority date	—
Expiry date	Nov 23, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG03B2215/0589
WIPO fieldOptics
WIPO sectorInstruments

Abstract

In accordance with an example embodiment of the present invention, an apparatus comprises a light source capable of illuminating a target scene and an adjustable light filter coupled with the light source, the adjustable light filter adapted to display a filter image, the filter image created to spatially filter the illumination based at least in part on at least one parameter.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.