System and method for returning robot cleaner to charger

Details System and method for returning robot cleaner to charger System and method for returning robot cleaner to charger

2006-07-14

2010-06-01

Tran, Dalena (Department: 3664)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Robot control

C700S218000, C180S167000, C180S169000, C318S568110, C318S568120, C318S568200, C320S109000

Reexamination Certificate

active

07729803

ABSTRACT:
A system for returning a robot to a charger includes: a homing signal transmitter, including at least first, second, and third signal transmitters, each adapted to be provided at a front side of the charger and to respectively transmit signals which are different from each other in at least one of a code and a transmission distance, and a fourth signal transmitter, adapted to be provided on at least one lateral side of the charger and to transmit a signal which is different from the signals of the first, second, and third transmitters in code; a homing signal receiver provided at the robot and to receive at least one signal transmitted from the homing signal transmitter; and a controller adapted to identify the at least one signal and to control the robot to return to the charger based at least in part on the at least one signal.

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