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:
Nov. 26, 2019
Filed:
Apr. 16, 2017
Renesas Electronics Corporation, Koutou-ku, Tokyo, JP;
Masato Hirai, Tokyo, JP;
Kosuke Fuwa, Tokyo, JP;
Renesas Electronics Corporation, Tokyo, JP;
Abstract
A reception unit () sequentially selects a plurality of sensor coils and receives a signal from a position indicator via the sensor coil that has been selected, and an operational circuit () detects, using an amplitude value and a phase value of the signal received by the reception unit () via each of the plurality of sensor coils, coordinates of a position indicated by the position indicator and a writing force of the position indicator. When the sensor () includes a sensor capacitor, a transmission unit () outputs a signal to the sensor capacitor, the reception unit () receives a signal generated at a connecting point between the sensor capacitor and the transmission unit (), and the operational circuit () detects whether a touch key corresponding to the sensor capacitor has been touched using a phase value of the signal received by the reception unit ().