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:
Sep. 18, 2012
Filed:
Feb. 09, 2011
Applicant:
Jonas Hjelmstrom, Staffanstorp, SE;
Inventor:
Jonas Hjelmstrom, Staffanstorp, SE;
Assignee:
Axis AB, Lund, SE;
Primary Examiner:
Int. Cl.
CPC ...
G03B 7/087 (2006.01); H04N 5/238 (2006.01);
U.S. Cl.
CPC ...
Abstract
A calibration method in a camera with a P-Iris lens having an adjustable iris opening including the steps of adjusting the size of the iris opening between a first opening position and a second opening position, recording a plurality of images during the adjusting, analyzing the images, and determining an iris opening based on the analysis, that obtains a high quality image. The analyzing includes use of high frequency content in the recorded images.