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:
Jul. 28, 2015
Filed:
Mar. 09, 2011
Applicants:
Shih-che Hung, Hsinchu, TW;
Hong-lun Liu, Hualien County, TW;
Yi-chih Yeh, New Taipei, TW;
Inventors:
Assignee:
MSI COMPUTER (SHENZHEN) CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47L 9/28 (2006.01); G05D 1/02 (2006.01);
U.S. Cl.
CPC ...
A47L 9/2805 (2013.01); A47L 9/2852 (2013.01); A47L 9/2894 (2013.01); G05D 1/0225 (2013.01); G05D 1/0234 (2013.01); A47L 2201/00 (2013.01); A47L 2201/04 (2013.01); G05D 2201/0203 (2013.01);
Abstract
A direction device controlling a traveling route of a cleaning robot and including a receiving unit, an emitting unit and a control unit is disclosed. The receiving unit receives an encoded ultrasonic wave emitted by the cleaning robot. The emitting unit emits at least one wireless signal. The control unit activates the emitting unit to emit a first direction wireless signal when the receiving unit receives the encoded ultrasonic wave. The cleaning robot passes according to the first direction wireless signal.