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:
Aug. 08, 2017
Filed:
Sep. 23, 2011
Applicants:
Sang Sik Yoon, Suwon-si, KR;
Jun Pyo Hong, Suwon-si, KR;
Hwi Chan Jang, Suwon-si, KR;
Inventors:
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/28 (2006.01); G05D 1/02 (2006.01);
U.S. Cl.
CPC ...
A47L 9/2815 (2013.01); A47L 9/2847 (2013.01); A47L 9/2852 (2013.01); A47L 9/2857 (2013.01); A47L 9/2894 (2013.01); G05D 1/021 (2013.01); G05D 1/0274 (2013.01); A47L 2201/04 (2013.01); A47L 2201/06 (2013.01); G05D 2201/0203 (2013.01);
Abstract
A dust inflow sensing unit and a robot cleaner having the same. The dust inflow sensing unit includes a light emitting element to emit a beam having a transmission region, a light receiving element having a reception region overlapping the transmission region of the light emitting element, and a guide member to restrict the reception region of the light receiving element to a designated range until the reception region reaches the light emitting element.