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.

Date of Patent:
Aug. 02, 2016

Filed:

Feb. 24, 2012
Applicants:

Sang Sik Yoon, Suwon-si, KR;

Kang Nam Kim, Seongnam-si, KR;

Jun Hwa Lee, Suwon-si, KR;

Hwi Chan Jang, Yongin-si, KR;

Inventors:

Sang Sik Yoon, Suwon-si, KR;

Kang Nam Kim, Seongnam-si, KR;

Jun Hwa Lee, Suwon-si, KR;

Hwi Chan Jang, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/28 (2006.01); A47L 11/33 (2006.01); A47L 11/40 (2006.01); G05D 1/02 (2006.01);
U.S. Cl.
CPC ...
A47L 11/33 (2013.01); A47L 11/4013 (2013.01); G05D 1/021 (2013.01); A47L 9/281 (2013.01); A47L 9/2815 (2013.01); A47L 2201/02 (2013.01); A47L 2201/024 (2013.01); A47L 2201/06 (2013.01); G05D 2201/0203 (2013.01);
Abstract

A robot cleaning device includes a debris detecting unit. The robot cleaning device includes a body, a driving unit to enable the body to travel, a drum brush unit provided at the body, to sweep up debris, using a brush and a rotating drum, a debris box to store the debris swept up by the drum brush unit, a debris detecting unit to detect whether debris has been introduced into the debris box through the drum brush unit during a cleaning operation, and a controller to determine whether debris is introduced into the debris box and whether debris has been accumulated in the debris box in a predetermined amount, based on introduction or non-introduction of debris detected by the debris detecting unit.


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