Owner iRobot Corporation

Inventors Cohen, David A.; Mass, Phillip R.; Ozick, Daniel; Vu, Clara; Lynch, James

Agent Davies Collison Cave

Pub. Number AU-B-2004316156

PCT Pub. Number WO2005/081074

Filing date 21 January 2004

Wipo publication date 1 September 2005

Acceptance publication date 2 September 2010

G01S 5/00 (2006.01) Position-fixing by co-ordinating two or more direction or position-line determinations

G01S 1/16 (2006.01) Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters

G04D 1/02 (2006.01) Gripping, holding, or supporting devices

G05D 1/02 (2006.01) Control of position, course, altitude, or attitude of land, water, air, or space vehicles, e.g. automatic pilot - Control of position or course in two dimensions

H02J 7/00 (2006.01) Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries