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:
Jun. 01, 2010
Filed:
Jul. 14, 2006
Kwang-soo Lim, Seoul, KR;
Sam-jong Jeung, Gwangju, KR;
Jeong-gon Song, Gwangju, KR;
Ju-sang Lee, Gwangju, KR;
Jang-youn Ko, Gwangju, KR;
Kwang-soo Lim, Seoul, KR;
Sam-jong Jeung, Gwangju, KR;
Jeong-gon Song, Gwangju, KR;
Ju-sang Lee, Gwangju, KR;
Jang-youn Ko, Gwangju, KR;
Samsung Gwangju Electronics Co., Ltd., Gwangju, KR;
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.