The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 2004
Filed:
Nov. 06, 2001
Applicant:
Inventor:
Mika Antila, Tampere, FI;
Assignee:
Nokia Corporation, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/32 ;
U.S. Cl.
CPC ...
G01J 1/32 ;
Abstract
A method and apparatus for illuminating an object with white light, in which method the object is illuminated using lights of at least two different colors. The intensities of the lights are measured and then the intensity of illumination provided by means of a light of a single color is adjusted on the basis of the measured intensities of illumination provided by means of at least two different colors to improve the white balance of the object's illumination.