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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.:

US 9052391 B1

PDFFull Text
Date of Patent:
Jun. 09, 2015

Filed:

Aug. 01, 2012

Backup velocity estimation utilizing traction device speed

Applicants:

Paul Russell Friend, Morton, IL (US);

Drew Alan Fehr, Washington, IL (US);

Inventors:

Paul Russell Friend, Morton, IL (US);

Drew Alan Fehr, Washington, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Primary Examiner:

Fadey Jabr

Assistant Examiner:

Thomas Ingram

Int. Cl.
CPC ...
G01S 19/26 (2010.01); G01S 19/49 (2010.01); G01S 19/52 (2010.01); G01C 21/16 (2006.01); G01C 21/28 (2006.01); G01P 3/50 (2006.01); G06F 11/30 (2006.01);
U.S. Cl.
CPC ...
G01S 19/52 (2013.01); G01S 19/49 (2013.01); G01P 3/50 (2013.01); G01C 21/165 (2013.01); G01C 21/28 (2013.01); G01S 19/26 (2013.01); G06F 11/30 (2013.01);
Abstract

A velocity estimation method and system is disclosed. The method may include receiving a location signal indicative of a location of the machine and estimating the velocity of the machine based on a change in the location of the machine over a period of time. The method may further include determining a loss of the location signal, detecting a traction device speed of the machine, and selectively estimating the velocity of the machine based on the traction device speed when the location signal is determined to be lost.

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Quick Actions:

Friend, Paul. (2015). Backup velocity estimation utilizing traction device speed (U.S. Patent No. 9052391). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9052391

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