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:
Sep. 23, 2025
Filed:
May. 30, 2023
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Hidekazu Tsukiji, Tokyo, JP;
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Abstract
An estimation device may include an update unit. The update unit may correct the position of the second portion with respect to the first portion or the measured value of a first magnetic sensor, which is indicated by the new reference information, by comparing a predetermined first partial waveform in a first waveform for the first magnetic sensor, the first waveform indicating a change of a measured value in accordance with a position of the second portion with respect to the first portion, which is indicated by the new reference information, with a predetermined second partial waveform in a second waveform for a second magnetic sensor, the second waveform indicating the change of the measured value in accordance with the position of the second portion with respect to the first portion, which is indicated by the new reference information.