Reflective chopper for infrared imaging systems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 24, 1991
Issued Date -
N/A
app pub date -
Jan 10, 1991
filing date -
Jul 28, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chopper, in an infrared imaging system, is used to scatter infrared radiation from a viewed scene. This scattered radiation is detected with an infrared detector and used to produce a reference signal, which represents the uniform average radiance of the scene. This reference signal may be substracted from a signal representing the unscattered radiation emitted by the scene, to produce a signal that represents only radiance differences and that is an optimal signal for amplification.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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