US 11,722,649 B2
Display system
Guy Cramer, Maple Ridge (CA)
Assigned to HyperStealth Biotechnology Corporation, Maple Ridge (CA)
Filed by Hyperstealth Biotechnology Corporation, Maple Ridge (CA)
Filed on May 19, 2022, as Appl. No. 17/748,796.
Application 17/748,796 is a division of application No. 16/971,403, granted, now 11,343,475, previously published as PCT/CA2019/000019, filed on Feb. 13, 2019.
Claims priority of provisional application 62/693,959, filed on Jul. 4, 2018.
Claims priority of provisional application 62/632,526, filed on Feb. 20, 2018.
Prior Publication US 2022/0279152 A1, Sep. 1, 2022
Int. Cl. H04N 9/31 (2006.01); F41H 5/08 (2006.01); G02B 3/00 (2006.01); G03B 21/10 (2006.01); G03B 21/28 (2006.01); G03B 21/604 (2014.01); G03B 21/625 (2014.01); G03B 35/26 (2021.01)
CPC H04N 9/3152 (2013.01) [F41H 5/08 (2013.01); G02B 3/005 (2013.01); G03B 21/10 (2013.01); G03B 21/28 (2013.01); G03B 21/604 (2013.01); G03B 21/625 (2013.01); G03B 35/26 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A riot shield comprising:
a clear body having an outer surface and an inner surface;
a first lens sheet having a first polarity disposed over the outer surface;
a second lens sheet having a second polarity, disposed proximate the inner surface and the first lens sheet, the first polarity opposite the second polarity,
wherein upon a first projector in communication with a first image source projecting an image onto the first lens sheet through the second lens sheet, the image is visible on the first lens sheet but not on the second lens sheet.