3 ms·

A predecessor was patented in the mid-90s: https://register.dpma.de/DPMAregister/pat/PatSchrifteneinsicht?docId=DE69620873T2 https://register.dpma.de/DPMAregist

by jlg23 8y ago

A predecessor was patented in the mid-90s: https://register.dpma.de/DPMAregister/pat/PatSchrifteneinsicht?docId=DE69620873T2 https://register.dpma.de/DPMAregister/pat/PatSchrifteneinsic...

akavel 8y ago
Curious: how could you pull out the link just now? Did you have it bookmarked somewhere for long time? Or did you see it somewhere recently?
- jlg23 8y ago
  I read something about "double glasses with fluid in between them to simulate the horizon" years ago and then spent some minutes duckduckgoing.
  - akavel 8y ago
    Ah, ok, so just the good, old "brain memory" technology :)