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:
Nov. 24, 2009
Filed:
Oct. 23, 2007
Applicant:
Niko Santeri Porjo, Piikkio, FI;
Inventor:
Niko Santeri Porjo, Piikkio, FI;
Assignee:
Nokia Corporation, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/10 (2006.01); G01J 1/12 (2006.01); G01C 17/38 (2006.01); G01D 18/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus including: an optical sensor comprising an optical transmitter and an optical receiver; and a calibration system configured to change calibration of the sensor when a measurement taken at the optical receiver, while the optical transmitter is on and the apparatus is in use, passes a test.