Patent №
US 8,129,684
Granted
2012-03-06
Filed 2005
Owner
COHERENT, INC.
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
11085859
A THz-frequency heterodyne imaging method is used to remotely detect objects concealed in or under a person's clothing. One THz-frequency beam is scanned over a person being examined. A portion of the beam penetrates the persons clothing and is reflected by an object concealed under the person's clothing. The reflected portion the beam is mixed with another beam of THz-frequency radiation having a different frequency to provide a signal having an intermediate frequency (IF) including image data representative of the concealed object.
AI classification
Ownership
COHERENT, INC.
assignment · 165110120
Assignors
MUELLER, ERIC R.
On an employer assignment, the assignors are typically the inventors.