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:
Nov. 30, 2021
Filed:
Oct. 16, 2019
Applicant:
Fakespace Labs, Inc., Mountain View, CA (US);
Inventors:
Ian E. McDowall, Mountain View, CA (US);
Mark T. Bolas, Mountain View, CA (US);
Assignee:
Fakespace Labs, Inc., Mountain View, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02F 1/01 (2006.01); G02B 27/28 (2006.01); G02F 1/29 (2006.01); G03B 13/02 (2021.01); G02B 15/14 (2006.01); G02B 27/14 (2006.01); G02B 27/40 (2006.01); G02F 1/09 (2006.01); G02B 15/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/0136 (2013.01); G02B 5/30 (2013.01); G02B 5/3083 (2013.01); G02B 15/143 (2019.08); G02B 27/144 (2013.01); G02B 27/283 (2013.01); G02B 27/286 (2013.01); G02B 27/40 (2013.01); G02F 1/09 (2013.01); G02F 1/29 (2013.01); G03B 13/02 (2013.01); G02B 15/00 (2013.01); G02B 27/141 (2013.01); G02B 27/28 (2013.01); G02F 1/294 (2021.01); G02F 2203/07 (2013.01);
Abstract
The effective focal length of an optical system can be electronically controlled using switchable wave plates in conjunction with polarized light.