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:
May. 05, 2015
Filed:
Dec. 02, 2010
Gerald L. Karel, Maplewood, MN (US);
Thomas J. Dahlin, St. Louis Park, MN (US);
Patrick R. Fleming, Lake Elmo, MN (US);
Gerald L. Karel, Maplewood, MN (US);
Thomas J. Dahlin, St. Louis Park, MN (US);
Patrick R. Fleming, Lake Elmo, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
One embodiment of the apparatuses, methods, and systems of the present disclosure is a license plate, sticker, or ALPR system having enhanced or increased accuracy. At least one of the license plate, sticker, or ALPR system includes useful information that is transmitted over a first channel and checking information that is transmitted over a second channel. The second channel is devoted solely to transmitting the checking information (e.g., the second channel does not transmit useful information). In other words, the license plates, stickers, and ALPR systems of the present disclosure include at least one channel that is devoted solely to transmitting checking information.