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:
Oct. 25, 2022
Filed:
Oct. 23, 2019
Applicant:
Google Llc, Mountain View, CA (US);
Inventors:
Vanessa Lynn Louisa Guido, Kitchener, CA;
Matthew Bailey, Kitchener, CA;
Lloyd Frederick Holland, Kitchener, CA;
Assignee:
GOOGLE LLC, Mountain View, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 27/42 (2006.01); G03B 21/14 (2006.01); G02B 26/10 (2006.01); G03B 21/20 (2006.01); G01B 11/27 (2006.01); G02B 7/04 (2021.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G01B 11/272 (2013.01); G02B 7/04 (2013.01); G02B 26/101 (2013.01); G02B 27/4205 (2013.01); G03B 21/142 (2013.01); G03B 21/2033 (2013.01); G02B 2027/0112 (2013.01); G02B 2027/0174 (2013.01); G03B 21/2013 (2013.01);
Abstract
Systems, devices, and methods to perform alignment in a projector are described. Laser light emitted is directed to at least one lens, which directs the laser light to a diffractive optical element (DOE), which produces a diffracted light. A sensor measures a property of the diffracted light, and a position of at least one lens adjusted to improve a quality of the diffracted light. The lens is fixed in position to the improvement in the quality of diffracted light achieving a defined threshold. The characteristic may include brightness.