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:
May. 10, 2016
Filed:
Nov. 21, 2014
Applicant:
Uneo Inc., Taipei, TW;
Inventors:
Chia-Hung Chou, Taipei, TW;
Chih-Sheng Hou, Taipei, TW;
Assignee:
UNEO INC., Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/0354 (2013.01);
U.S. Cl.
CPC ...
G06F 3/03545 (2013.01); G06F 3/03546 (2013.01);
Abstract
A flexible circuit board based force sensor is disclosed. A flexible circuit having a first metal pad and a second metal pad, the flexible circuit board is folded so that the first metal pad functioning as a top metal pad and the bottom metal pad functioning as a bottom metal pad. A force sensing material is configured in between the top metal pad and the bottom metal pad to form a force sensor. An electronic drawing system adopts the flexible circuit board based force sensor in an electronic pen for sensing pressures applied against the pen tip of the electronic pen.