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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.:

US 11317064 B1

PDFFull Text
Date of Patent:
Apr. 26, 2022

Filed:

Jan. 08, 2020

Polarizing maintaining optical fiber in virtual/augmented reality system

Applicant:

Magic Leap, Inc., Plantation, FL (US);

Inventors:

Ivan Yeoh, Tampa, FL (US);

Lionel Ernest Edwin, Plantation, FL (US);

David Tinch, Laramie, WY (US);

Assignee:

Magic Leap, Inc., Plantation, FL (US);

Attorney:

Vista IP Law Group, LLP

Primary Examiner:

Kaveh C Kianni

Assistant Examiner:

Hung Q Lam

Int. Cl.
CPC ...
G02B 6/26 (2006.01); G02B 6/32 (2006.01); G02B 6/34 (2006.01); G02B 6/30 (2006.01); G02B 6/42 (2006.01); G02B 6/10 (2006.01); H04N 9/31 (2006.01); H04N 13/337 (2018.01); H04N 13/383 (2018.01); H04N 13/366 (2018.01); H04N 13/344 (2018.01); H04N 13/363 (2018.01); G02B 27/01 (2006.01); G02B 26/10 (2006.01); G06T 19/00 (2011.01); F21V 8/00 (2006.01); G02B 6/024 (2006.01);
U.S. Cl.
CPC ...
H04N 9/3129 (2013.01); G02B 26/103 (2013.01); G02B 27/0172 (2013.01); G06T 19/006 (2013.01); H04N 13/337 (2018.05); H04N 13/344 (2018.05); H04N 13/363 (2018.05); H04N 13/366 (2018.05); H04N 13/383 (2018.05); G02B 6/0008 (2013.01); G02B 6/0011 (2013.01); G02B 6/024 (2013.01); G02B 2027/0178 (2013.01);
Abstract

A display subsystem for a virtual image generation system for use by an end user comprises a display, an optical fiber having a polarization-maintaining (PM) transmission fiber section and a non-PM scanning fiber section, a light source configured for injecting a linearly polarized light beam into the transmission fiber section, such that the linearly polarized light beam is emitted from the scanning fiber section, a mechanical scanning drive assembly in which the scanning fiber section is affixed, wherein the mechanical scanning drive assembly is configured for displacing the scanning optical fiber section is order to scan the emitted light beam, and a display configured for receiving the scanned light beam and generating an image to the end user.

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