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. 02, 2025
Filed:
May. 22, 2020
Applicant:
Hangzhou Hikvision Digital Technology Co., Ltd., Zhejiang, CN;
Inventors:
Assignee:
HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD., Hangzhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 5/32 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 5/32 (2013.01); G02B 2027/0174 (2013.01);
Abstract
Provided is an augmented reality device. The augmented reality device includes a first projection assembly and a first display assembly. The first display assembly is disposed on a light exit side of the first projection assembly. The first projection assembly includes a first scanner, a first laser, and a first lens group. The first display assembly includes a first holographic diffraction grating and a first lens. An exposure device is also provided.