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:
Apr. 25, 2017
Filed:
Nov. 09, 2012
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Dong-Kyoon Han, Gyeonggi-do, KR;
Samsung Electronics Co., Ltd, , KR;
Abstract
A multi-channel contact sensing apparatus includes a ground contact part, a loop unit including a transmitting sub-loop unit and a receiving sub-loop unit, a controller that controls by applying a transmission signal to the transmitting sub-loop unit, and receiving a reception signal from the receiving sub-loop unit, and a switch unit that prevents each of at least one loop of the transmitting sub-loop unit and at least one loop of the receiving sub-loop unit from being connected to the ground contact part during a first period. The multi-channel contact sensing apparatus simultaneously measures a finger touch input and a pen input.