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. 21, 2015
Filed:
Sep. 17, 2013
GM Global Technology Operations Llc, Detroit, MI (US);
Stefan Bauer, Wiesbaden, DE;
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
A method is provided for ascertaining a wheel circumference of a vehicle wheel attached to a vehicle with reference to the distance travelled by the vehicle and measuring signals of a wheel revolution sensor associated with a vehicle wheel. The method includes, but is not limited to positioning the vehicle in front of a stationary obstacle and registering the obstacle with a distance measuring device of the vehicle, moving the vehicle in direction of the obstacle, ascertaining the distance travelled as the reference distance with the distance measuring device, ascertaining the number of measuring pulses of the wheel sensor over the distance travelled, and determining the wheel circumference from the ascertained distance and the ascertained number of measuring pulses of the wheel sensor. A parking assistance system is also provided for a motor vehicle, a motor vehicle, a computer program product and a computer program.