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:
Mar. 03, 2026
Filed:
Apr. 05, 2024
Proterial, Ltd., Tokyo, JP;
Kazuhiko Tomita, Tokyo, JP;
PROTERIAL, LTD., Tokyo, JP;
Abstract
A rotary speed sensor according to an embodiment includes: a sensor component including magnetic detection elements; a magnet on a bottom surface side of the sensor component; and a magnetic panel arranged between the bottom surface of the sensor component and the magnet and made of a magnetic material. An opening penetrating in a first direction that is an arrangement direction of the sensor component, the magnetic panel and the magnet is formed in the magnetic panel. A wall surface of the opening includes: an inner wall having a constant diameter; and an edge being closer to the sensor component than the inner wall and having a variable diameter. The farther from the bottom surface in the first direction a part of the edge is, the closer to a center of the opening the part is.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile