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:
Aug. 30, 2016
Filed:
Feb. 20, 2013
Applicant:
Husqvarna Ab, Huskvarna, SE;
Inventor:
Ludvig Sjöholm, Gränna, SE;
Assignee:
HUSQVARNA AB, Huskvarna, SE;
Primary Examiner:
Int. Cl.
CPC ...
G05D 1/00 (2006.01); G05D 1/02 (2006.01); A01D 34/00 (2006.01); B25J 9/00 (2006.01);
U.S. Cl.
CPC ...
G05D 1/0265 (2013.01); A01D 34/008 (2013.01); G05D 1/0225 (2013.01); A47L 2201/02 (2013.01); B25J 9/0003 (2013.01); G05D 2201/0208 (2013.01); Y10S 901/01 (2013.01);
Abstract
A robotic work tool system (), comprising a charging station (), a boundary wire () and a signal generator () for generating and transmitting a signal through said boundary wire () for demarcating a work area (), said robotic work tool system () further comprising a robotic work tool () configured to detect a magnetic field strength (M, M) in the work area () and said robotic work tool system () being configured to adapt a current level of the signal being transmitted through the boundary wire () based on the detected magnetic field strength (M, M).