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:
Feb. 24, 2015
Filed:
Aug. 17, 2010
Applicants:
Alan Clucas, Southhampton, GB;
Brian David Vincent Smith, Worthing, GB;
Inventors:
Alan Clucas, Southhampton, GB;
Brian David Vincent Smith, Worthing, GB;
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/18 (2006.01); G06T 7/20 (2006.01); G08G 1/052 (2006.01);
U.S. Cl.
CPC ...
G06T 7/2033 (2013.01); G08G 1/052 (2013.01); G06T 2207/10016 (2013.01); G06T 2207/30236 (2013.01);
Abstract
A system for measuring the speed of a vehicle includes: one or more cameras () for capturing images of vehicles () on a road (); timing means for timing the capture of the images; a processor arranged to: identify in the captured images a feature () of the vehicle; calculate the size in pixels of the feature () of the vehicle in two or more of the captured images; and determine the speed of the vehicle () based at least in part on the calculated sizes and the times at which each image was captured.