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:
May. 31, 2022
Filed:
Dec. 18, 2019
Google Llc, Mountain View, CA (US);
Serge Bierhuizen, San Jose, CA (US);
Hayes S. Raffle, Palo Alto, CA (US);
Xinda Hu, Sunnyvale, CA (US);
Jerome Carollo, San Francisco, CA (US);
Yi Qin, Mountain View, CA (US);
Oscar Martinez, Mountain View, CA (US);
GOOGLE LLC, Mountain View, CA (US);
Abstract
Optical assemblies for use in virtual and augmented reality environments are described. The optical assemblies may include lenses, filter stacks, cameras, and image projecting devices. For example, the optical assemblies may include at least one lens, a first filter stack between the at least one lens and an image projecting device, a second filter stack between the first filter stack and the image projecting device, and a camera configured to capture images of an infrared reflection of light through the at least one lens.