Communications: directive radio wave systems and devices (e.g. – Testing or calibrating of radar system
Patent
1992-11-02
1994-05-10
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Testing or calibrating of radar system
342 1, 342 4, G01S 740
Patent
active
053111915
ABSTRACT:
A calibration reference target fixture is mounted on a pylon having a motorized spline extending longitudinally therethrough. The body of the fixture is teardrop shaped so as to present a low reflection cross section to a transmitting antenna. The reference target itself is a hinge-mounted plate which is driven by cam means connected to the motorized spline for selectively moving the plate between a deployed exposed position and a stored position, within the recess of the fixture body.
REFERENCES:
patent: 4758840 (1988-07-01), Dardenne et al.
patent: 4879560 (1989-11-01), McHenry
patent: 4947175 (1990-08-01), Overholser
patent: 4990923 (1991-02-01), Delfeld
patent: 5075681 (1991-12-01), Kartiala
patent: 5099244 (1992-03-01), Larson
Grumman Aerospace Corporation
Sotomayor John B.
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