US 12,213,402 B2
Robotic work tool system and method for defining a stay-out area within a work area
Anton Mårtensson, Jönköping (SE); Tommy Glimberg, Nässjö (SE); and Sarkan Gazrawi, Huskvarna (SE)
Assigned to HUSQVARNA AB, Huskvarna (SE)
Appl. No. 17/799,802
Filed by HUSQVARNA AB, Huskvarna (SE)
PCT Filed Feb. 22, 2021, PCT No. PCT/SE2021/050145
§ 371(c)(1), (2) Date Aug. 15, 2022,
PCT Pub. No. WO2021/177873, PCT Pub. Date Sep. 10, 2021.
Claims priority of application No. 2050238-1 (SE), filed on Mar. 3, 2020.
Prior Publication US 2023/0074101 A1, Mar. 9, 2023
Int. Cl. G05D 1/00 (2024.01); A01D 34/00 (2006.01); A01D 101/00 (2006.01)
CPC A01D 34/008 (2013.01) [G05D 1/0214 (2013.01); G05D 1/0221 (2013.01); G05D 1/0274 (2013.01); A01D 2101/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A robotic work tool system for defining a stay-out area within a work area, wherein the stay-out area is an area which is to be excluded from the work area in which a boundary definition unit is intended to operate, the robotic work tool system comprising:
the boundary definition unit comprising a position unit configured to receive position data;
a controller configured to:
receive a stay-out area definition trigger signal, wherein the stay-out area definition trigger signal is a signal that indicates that the boundary definition unit has approached the stay-out area to be defined;
receive, based on the received stay-out area definition trigger signal, position data from the position unit, wherein the position data indicates a present position of the boundary definition unit; and
define the stay-out area as an area centered at an offset from the received position data.