Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1977-10-21
1979-06-05
Tubbesing, T. H.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 6R, G01S 902
Patent
active
041575440
ABSTRACT:
Control of multiple remotely piloted vehicles provided through a system ced the Hybrid Terminal Assist Landing. This system, also referred to as HYTAL, is composed of two principal subsystems, an RF approach control subsystem and a precise optical landing point homing and ranging subsystem. By using a hybrid combination of RF and optical sensors, the remotely piloted vehicle, RPV or other aircraft approach control and recovery guidance system can be optimized with respect to performance complexity, size, weight and cost.
REFERENCES:
patent: 3169726 (1965-02-01), Jackson
patent: 3289203 (1966-11-01), Gaylord
patent: 3427611 (1969-02-01), Enenstein
patent: 3924232 (1975-12-01), Burdi et al.
patent: 4050068 (1977-09-01), Berg et al.
Pritchard Kenneth G.
Sciascia R. S.
Skeer W. Thom
The United States of America as represented by the Secretary of
Tubbesing T. H.
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