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:
Jan. 14, 2014
Filed:
May. 24, 2011
Yoon Young Chang, Seoul, KR;
Byeong Rim JO, Seoul, KR;
Juhn Ho Park, Seoul, KR;
Byungju Dan, Seoul, KR;
Hong Gul Jun, Seoul, KR;
Byunghoon Min, Seoul, KR;
Yoon Young Chang, Seoul, KR;
Byeong Rim Jo, Seoul, KR;
Juhn Ho Park, Seoul, KR;
Byungju Dan, Seoul, KR;
Hong Gul Jun, Seoul, KR;
Byunghoon Min, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A walking-assistant device is provided comprising a driving unit that includes four wheels and four actuators for adjusting heights of the four wheels, a mechanism unit that includes two vertical frames whose length is adjusted and connection frames for fixing and connecting the vertical frames, and a manipulation unit that includes a plurality of sensors for grasping a user's moving intention and controls the driving unit and the mechanism unit based on a signal detected by the sensors.