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. 21, 2012
Filed:
Jul. 24, 2009
Sung Chul Kang, Seoul, KR;
Dongseok Ryu, Seoul, KR;
Yongkwun Lee, Gyeongsangnam-do, KR;
Dong-soo Kwon, Daejeon, KR;
Seung-chan Kim, Gyeonggi-do, KR;
Tae-heon Yang, Chungcheongnam-do, KR;
Chong Hui Kim, Daejeon, KR;
Gi-hun Yang, Chungcheongnam-do, KR;
Sung Chul Kang, Seoul, KR;
Dongseok Ryu, Seoul, KR;
YongKwun Lee, Gyeongsangnam-do, KR;
Dong-Soo Kwon, Daejeon, KR;
Seung-Chan Kim, Gyeonggi-do, KR;
Tae-Heon Yang, Chungcheongnam-do, KR;
Chong Hui Kim, Daejeon, KR;
Gi-Hun Yang, Chungcheongnam-do, KR;
Korea Institute of Science and Technology, Seoul, KR;
Abstract
A tactile display apparatus includes a plurality of stimulation pins in contact with a skin; an operating unit for vertically moving the stimulation pins; and a housing accommodating the stimulation pins and the operating unit, the housing having an opening in one surface thereof such that the stimulation pins protrude outward. Here, the plurality of stimulation pins are arranged such that a contact area occupied by front ends of the stimulation pins is smaller than an area occupied by rear ends of the stimulation pins.