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:
Aug. 25, 2020
Filed:
Jan. 08, 2019
Lenovo (Singapore) Pte. Ltd., Singapore, SG;
LENOVO (SINGAPORE) PTE. LTD., Singapore, SG;
Abstract
A vibration generation device is provided with a housing, a vibration target component provided to be movable relatively to the housing, an actuator which has a metal base portion, a metal movable portion, a beltlike shape memory alloy disposed between the base portion and the movable portion and in which, when the shape memory alloy receives current application to be changed so that the outer shape becomes small, the movable portion is pushed out in one direction of separating from the base portion in a state where the base portion abuts on a first wall surface of the housing, a resin holder component fixed to the vibration target component and abutting on a pushing surface facing the one direction of the movable portion, and an elastic member elastically energizing the movable portion in a direction opposite to the one direction.