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:
Feb. 16, 2016

Filed:

Jul. 25, 2012
Applicants:

Hwi Chan Jang, Yongin-si, KR;

Dong Won Kim, Hwaseong-si, KR;

Hyun Soo Jung, Seongnam-si, KR;

Seung IL Han, Sosa-gu, KR;

Jun Hwa Lee, Suwon-si, KR;

Inventors:

Hwi Chan Jang, Yongin-si, KR;

Dong Won Kim, Hwaseong-si, KR;

Hyun Soo Jung, Seongnam-si, KR;

Seung Il Han, Sosa-gu, KR;

Jun Hwa Lee, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 19/00 (2011.01); A47L 9/28 (2006.01);
U.S. Cl.
CPC ...
A47L 9/2805 (2013.01); A47L 2201/04 (2013.01);
Abstract

An autonomous cleaner has an enhanced structure capable of conducting an efficient cleaning task according to the material quality or the condition of the floor surface of a cleaning space. The autonomous cleaner includes a body, a driving wheel to drive the body, a driving wheel assembly having the driving wheel, and a control unit. The control unit detects a displacement of the driving wheel corresponding to a reference position by sensing a sensor target, determines material quality or condition of a floor surface according to the displacement of the driving wheel, and controls the driving of the autonomous cleaner according to the determined material quality or the condition of the floor surface.


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