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:
Feb. 26, 2019
Filed:
Feb. 01, 2017
Nxp Usa, Inc., Austin, TX (US);
Petr Cholasta, Hutisko-Solanec, CZ;
NXP USA, Inc., Austin, TX (US);
Abstract
A touch sensitive capacitive keypad system () is provided with a keypad sensing electrode () disposed within sensing proximity of multiple electrodes (E-E) and formed under a keypad touch panel having defined key areas, where the electrodes are respectively aligned with the defined key areas to facilitate touch detection at the keypad touch panel with a controller () that is configured to determine which of the plurality of defined key areas is being touched by detecting a predetermined signal characteristic at the keypad sensing electrode () before sequential scanning the plurality of capacitive key electrodes to identify which capacitive key electrode is aligned with a defined key area being touched.