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:
Jun. 29, 2021
Filed:
Jan. 07, 2020
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Inventors:
Jong Woo Lee, Suwon-si, KR;
Ho Kwon Yoon, Suwon-si, KR;
Joo Yul Ko, Suwon-si, KR;
Byung Joo Hong, Suwon-si, KR;
Je Hyuk Ryu, Suwon-si, KR;
Yong Woon Ji, Suwon-si, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G01R 31/317 (2006.01); G06F 3/044 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0416 (2013.01); G01R 31/31725 (2013.01); G06F 3/044 (2013.01);
Abstract
A controller IC of a touch sensing apparatus includes an oscillation circuit including a capacitor connected to a sensing coil, a digital converter configured to count an oscillation signal output from the oscillation circuit and to output a count value, and a contact detector configured to calculate variations in the count value during delay times, and to detect a contact strength of an object according to the variations.