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Sunday, November 21, 2021

Facebook Files for a Patent on Polarization Sensor for AR Glasses

Facebook-Meta patent application US20210360132 "Stacked Image Sensor with Polarization Sensing Pixel Array" by Manoj Bikumandla, John Enders Robertson, and Andrew Matthew Bardagjy unveils the company's ideas for the sensor for its upcoming AR glasses:

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2 comments:

  1. Eric R FossumNovember 21, 2021 at 5:42 PM

    While it is a totally different division of light, the stacked cross section looks alot like that presented by Anzagira.
    https://www.imagesensors.org/Past%20Workshops/2015%20Workshop/2015%20Papers/Sessions/Session_4/4-01_Anzagira.pdf
    Also reminds me of Anzagira's work (and others before him) on polarization filters. Seems to me the combination of the two might be obvious to those skilled in the art.

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  2. AnonymousNovember 22, 2021 at 3:23 PM

    I have also recently found this from Facebook, but i'm not knowledgeable enough in imaging sensors to gauge how significant is this?

    https://patentimages.storage.googleapis.com/e5/a9/50/98f4d2b8e4da43/US11165982.pdf

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