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. 09, 1998
Filed:
Jul. 25, 1995
Takahiko Funahashi, Otone-machi, JP;
Katsuhito Obi, Otone-machi, JP;
Wacom Co., Ltd, Otone-Machi, JP;
Abstract
The present invention provides a method and a device for detecting position without producing discrepancy caused by residual induction voltage of a resonant circuit, wherein it includes steps for selecting and scanning one of a multiple loop coil positioned parallel to each other towards a detecting direction to receive an electromagnetic wave (S1), and calculating coordinate values of the indicated position provided by a position indicator based upon at least two detected induction voltages (S3), a direction for selecting and scanning of the loop coils is alternatively changed (S5, 6), and the coordinate values are averaged to eliminate the residual induction voltage effect (S8).