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. 07, 2023
Filed:
Mar. 21, 2018
Husqvarna Ab, Huskvarna, SE;
Marcus Liljedahl, Huskvarna, SE;
HUSQVARNA AB, Huskvarna, SE;
Abstract
A robotic lawnmower system comprising a charging station () and a robotic work tool (), the charging station comprising a signal generator () to which a boundary cable () is to be connected, the signal generator () being configured to transmit a signal () through the boundary cable (), and the robotic working tool () comprising a sensor () configured to pick up magnetic fields generated by the signal () in the boundary cable () thereby receiving the signal () being transmitted and a controller () configured to analyse the picked up signal, wherein the signal generator () is further configured to: prefilter the signal through an filter model; and transmit the prefiltered signal to through the boundary cable () by means of a current generator.