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.

Date of Patent:
Apr. 07, 2020

Filed:

Mar. 30, 2018
Applicant:

Microsoft Technology Licensing, Llc, Redmond, WA (US);

Inventors:

Scott Woltman, Seattle, WA (US);

Tuomas Vallius, Espoo, FI;

Simo Tammela, Espoo, FI;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/293 (2006.01); G02B 27/01 (2006.01); G02B 6/122 (2006.01); G02F 1/01 (2006.01); G02F 1/225 (2006.01); H01S 3/00 (2006.01); H01S 3/06 (2006.01); G02B 27/00 (2006.01); G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
G02B 6/29361 (2013.01); G02B 6/1225 (2013.01); G02B 27/0025 (2013.01); G02B 27/0081 (2013.01); G02B 27/0172 (2013.01); G02F 1/0134 (2013.01); G02F 1/225 (2013.01); H01S 3/0057 (2013.01); H01S 3/0602 (2013.01); G02B 2027/0178 (2013.01); G03B 21/2033 (2013.01);
Abstract

In an optical system that includes a coherent light source and an optical waveguide, a pulse width used by the optical waveguide to project image frames on a display is changed on a frame-by-frame basis. By changing the pulse width for each image frame, the locations and characteristics of visible interference patterns on the display are changed for each successive image frame. Changing the interference patterns for each image frame may result in the interference patterns being less detectable to a viewer. The change in pulse width for each image frame may be fixed or dynamic, and may be made in response to interference patterns being detected on the display.


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