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. 09, 2023
Filed:
Dec. 22, 2021
Wacom Co., Ltd., Saitama, JP;
Yuji Katsurahira, Saitama, JP;
Hideyuki Hara, Saitama, JP;
Wacom Co., Ltd., Saitama, JP;
Abstract
A position detection device includes a position detection sensor and signal processing circuitry. The position detection sensor has first loop electrodes arranged in a first direction and second loop electrodes arranged in a second direction perpendicular to the first direction. The signal processing circuitry switches the position detection sensor between a first state in which the first loop electrodes and the second loop electrodes are coupled as coils to a first pointer through electromagnetic inductive coupling, and a second state in which the first and second loop electrodes are coupled to a second pointer through capacitive coupling with opposite ends of each of the first loop electrodes and the second loop electrodes connected together or with one end of each of the first loop electrodes and the second loop electrodes left open.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile