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:
Jul. 25, 2023
Filed:
Feb. 03, 2022
Applicant:
Axis Ab, Lund, SE;
Inventors:
Jonas Hjelmström, Lund, SE;
Ola Håkansson, Lund, SE;
Assignee:
Axis AB, Lund, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 23/75 (2023.01); G01J 1/04 (2006.01);
U.S. Cl.
CPC ...
H04N 23/75 (2023.01); G01J 1/0411 (2013.01);
Abstract
An arrangement for determining an amount of light reaching an image sensor of a video camera is disclosed. The video camera comprises an imaging lens system guiding a beam path towards an image sensor and has an aperture plane where a variable aperture is arranged. The inventive arrangement comprises a light sensor arranged to probe light intensity continuously from a portion of the beam path, which portion is located in or near the aperture plane of the imaging lens system.