THERMAL BLACK-HOLE MASK
Assignee
US Government
Filed as: UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE SECRETARY OF THE ARMY
Filed
Feb 16, 1984
Granted
Nov 12, 1991
Location
FALLS CHURCH VA US
Abstract
The black hole which a cryogenically-cooled infrared (thermal) detector ctes in a scene being observed by another such detector is obscured by inserting a partial transmitter-reflector on the optical axis of the detector. A black-body radiator projects an ambient-temperature image the same size and shape as the black hole onto the transmitter-reflector such that the other detector sees a combined image with no apparent black hole.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Apr 2, 1985
Rescinded
Sep 6, 1990
Duration
5 years, 5 months
Inventor
- 1MICHAEL HACSKAYLO
Record Details
- Patent number
- US 5065026
- Application
- 06606737
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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