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:
Mar. 15, 2005
Filed:
Feb. 20, 2003
Jeong-gon Song, Gwangju, KR;
Yun-sup Hwang, Gwangju, KR;
Jeong-gon Song, Gwangju, KR;
Yun-sup Hwang, Gwangju, KR;
Samsung Gwangju Electronics Co., Ltd., Gwangju, KR;
Abstract
A robot cleaner, a robot cleaning system and a method for controlling the same capable of efficiently performing work on command by recognizing the driving distance and direction of the robot cleaner regardless of a of wheel slippage or irregularity in the floor. The robot cleaner performs a working operation while moving about a floor, and comprises a main body, a driving unit for driving a plurality of wheels disposed on a bottom portion of the main body, a downward-looking camera disposed among the wheels on the bottom portion of the main body for photographing images of the floor perpendicular to the driving direction of the robot cleaner, and a control unit for recognizing driving distance and direction of the wheels using image information of the floor photographed by the downward-looking camera, and for controlling the driving unit corresponding to a target work by using the recognized distance and direction of the wheels. An upward-looking camera can photograph and use information relating to spatial orientation for determining and correcting driving distance and direction.