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:
Aug. 27, 2024
Filed:
Apr. 23, 2021
Dolby Laboratories Licensing Corporation, San Francisco, CA (US);
Martin J. Richards, Gig Harbor, WA (US);
Trevor Davies, Walnut Creek, CA (US);
Barret Lippey, Foster City, CA (US);
Nathan Shawn Wainwright, Melissa, TX (US);
Darren Hennigan, Prosper, TX (US);
John David Jackson, Allen, TX (US);
Dolby Laboratories Licensing Corporation, San Francisco, CA (US);
Abstract
A projection system and calibration method therefor relate to a light source configured to emit a light in response to an image data, an illumination optical system configured to steer the light, the illumination optical system including a first mirror and a second mirror, a digital micromirror device (DMD) including a plurality of micromirrors respectively configured to reflect the steered light to a filter as on-state light or to reflect the steered light as off-state light to a light dump; determining a deviation between an actual angle of orientation and an expected angle of orientation of the DMD; calculating a first amount of angle adjustment corresponding to the first mirror and a second amount of angle adjustment corresponding to the second mirror; and actuating the first mirror according to the first amount and the second mirror according to the second amount.