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:
Dec. 19, 2023
Filed:
Nov. 11, 2022
Applicant:
Htc Corporation, Taoyuan, TW;
Inventors:
Li-Hsun Chang, Taoyuan, TW;
Kuan-Ying Ou, Taoyuan, TW;
Assignee:
HTC Corporation, Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0176 (2013.01); G02B 2027/0159 (2013.01); G02B 2027/0163 (2013.01); G02B 2027/0169 (2013.01);
Abstract
A head-mounted display device includes a base, a first lens, a second lens, a first shape memory alloy (SMA) element, and a braking element. The first lens and the second lens are movably disposed on the base. The first SMA element is connected between the base and the first lens or connected between the second lens and the first lens, and is used to move the first lens and adjust a distance between the first lens and the second lens. The braking element is disposed on the base. The braking element brakes the first lens at a braking position. The braking element is separated from the first lens at a movable position.