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:
Nov. 12, 2013
Filed:
May. 09, 2011
Applicants:
Sung-hyuk Park, Yongin-si, KR;
Seong-taek Lim, Suwon-si, KR;
Gi-tae Mun, Suwon-si, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/0488 (2013.01);
U.S. Cl.
CPC ...
Abstract
A user input device and electronic apparatus are provided. The user input device includes a first substrate on which first electrodes are formed; a second substrate disposed to be spaced apart from the first substrate, and on which second electrodes are formed; an electro-rheological fluid contained in a gap between the first substrate and the second substrate; and one or more lighting keypad units disposed on the second substrate. Each of the lighting keypad unit includes one or more key symbols which are different from one another. The electronic apparatus includes one or more user input devices.