DEVICE FOR GENERATING ENCRYPTED IMAGES VISIBLE ONLY THROUGH A POLARIZING FILTER AND PROCESS FOR MAKING THE DEVICE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
May 31, 2012
app pub date -
Dec 23, 2009
filing date -
Dec 23, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A device (1) for generating encrypted images which are only visible through a polarizing filter (5) oriented in a predetermined direction, comprises: a source (3) of digital information; an LCD screen (2) connected to said source (3) to form on its front face a matrix of chromatic filters which represents images; a polarizing layer (4) oriented in a predetermined direction and located behind a rear face of the LCD screen (2) to intercept a beam of light passing through the LCD screen (2) and oriented towards an observer of the front face.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully