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.

Date of Patent:
Nov. 07, 2023

Filed:

Feb. 03, 2022
Applicant:

Asahi Kasei Microdevices Corporation, Tokyo, JP;

Inventors:

Keita Okada, Tokyo, JP;

Takahito Hara, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 5/14 (2006.01);
U.S. Cl.
CPC ...
G01D 5/14 (2013.01);
Abstract

The position detection apparatus is provided comprising: an acquisition section that acquires a magnetic field pattern from a detection target apparatus comprising a detection unit having a plurality of magnetic sensor sections and a moving unit configured to provide the magnetic field pattern corresponding to the position with respect to the detection unit to the plurality of magnetic sensor sections; a reference pattern output section that outputs reference patterns respectively corresponding to each of a plurality of candidate positions of the moving unit with respect to the detection unit; and a detection section that detects which of the plurality of candidate positions is a position of the moving unit with respect to the detection unit based on a result of comparison of the acquired magnetic field pattern and the reference pattern corresponding to each of the plurality of candidate positions.


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