Google Glassは健在か。GoogleがGlassに適したホログラムの投影特許を取得 | TechCrunch Japan
http://jp.techcrunch.com/2015/10/02/20151001google-holograms/
Lightguide With Multiple In-Coupling Holograms For Head Wearable Display(顔に装着するウェアラブルディスプレイ用の光導体と複数ホログラムの連結)
United States Patent Application: 0150277116
http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=36&p=1&f=G&l=50&d=PG01&S1=((%22Google%22.AS.)+AND+%40PD%3E%3D20151001%3C%3D20151001)&OS=AN/%22Google%22+AND+PD/10/1/2015-%3C10/1/2015&RS=(AN/%22Google%22+AND+PD/20151001-%3C20151001)