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. 25, 2017
Filed:
Sep. 18, 2014
Irobot Corporation, Bedford, MA (US);
Paul E. Sandin, Brookline, NH (US);
Joseph L. Jones, Acton, MA (US);
Daniel N. Ozick, Newton, MA (US);
David A. Cohen, Brookline, MA (US);
David M. Lewis, Jr., Tyngsboro, MA (US);
Clara Vu, Cambridge, MA (US);
Zivthan A. Dubrovsky, Waltham, MA (US);
Joshua B. Preneta, Billerica, MA (US);
Jeffrey W. Mammen, Westford, MA (US);
Duane L. Gilbert, Jr., Goffstown, NH (US);
Tony L. Campbell, Stoneham, MA (US);
John Bergman, River Falls, WI (US);
Mark J. Chiappetta, Chelmsford, MA (US);
iRobot Corporation, Bedford, MA (US);
Abstract
An autonomous coverage robot system includes an active boundary responder comprising a wire powered with a modulated current placed along a perimeter of a property, at least one passive boundary responder placed on a property interior circumscribed by the active boundary responder, and an autonomous coverage robot. The robot includes a drive system carried by a body and configured to maneuver the robot across the property interior. The robot includes a signal emitter emitting a signal, where the passive boundary responder is responsive to the signal and a boundary responder detection system carried by the body. The boundary responder detector is configured to redirect the robot both in response to the responder detection system detecting an active boundary responder and in response to detecting a passive boundary responder.