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. 05, 2020
Filed:
Feb. 23, 2018
Melfas Inc., Gyeonggi-do, KR;
MELFAS INC., Seongnam-si, KR;
Abstract
Disclosed is a capacitance detection apparatus including a panel, having a parasitic capacitor formed therein, and an electrode that forms, in operation of the apparatus a self-capacitor with an object; a compensation capacitor configured to share charges with the parasitic capacitor and the self-capacitor to output a detection signal with compensation for an influence of the parasitic capacitor; a switch unit including a plurality of switches which get turned on or off so that the compensation capacitor compensates for the influence of the parasitic capacitor, and an output voltage adjusting unit connected to the compensation capacitor and configured to adjust an output range of the detection signal output by the compensation capacitor.