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:
Jul. 19, 2022
Filed:
Nov. 15, 2020
Yuki Takahashi, Tokyo, JP;
Tomoya Ishitani, Tokyo, JP;
Takayuki Numakunai, Tokyo, JP;
Minebea Mitsumi Inc., Nagano, JP;
Abstract
Provided is a vibration actuator that gives vibration to a vibration presenting unit that presents vibration depending on a pressing operation, the vibration actuator comprising: a fixing part; a movable part fixed to the vibration presenting unit; an elastic support part connected to the fixing part and the movable part, and movably supports the movable part with respect to the fixing part; and a support-part side fixing part fixed to the elastic support part in the movable part; wherein a strain body that is strained in accordance with the pressing operation on the vibration presenting unit and a strain detection unit configured to detect strain of the strain body are provided between the support-part side fixing part and a presenting-unit side fixing part fixed to the vibration presenting unit, and the movable part is configured to vibrate by electromagnetic driving in accordance with the strain of the strain body.