Helicopter blind landing and hover system

Details Helicopter blind landing and hover system Helicopter blind landing and hover system

1974-06-07

1976-01-20

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 6TV, 343 74, G01S 956

Patent

active

039342506

ABSTRACT:
A precision hover and landing system for use in a helicopter is provided. A elevision camera system, an infra-red scanner and a passive radar antenna array are located on a three-axis gimbal mounted on the helicopter. An airborne radar angle tracking receiver and a ground-based transponder provide azimuth and elevation angle error signals for pointing the gimbal along the true line-of-sight to the desired landing area. A ranger unit provides range and range rate of change information.

REFERENCES:
patent: 3076961 (1963-02-01), Bibbero
patent: 3243805 (1966-03-01), Smith
patent: 3798795 (1974-03-01), Michelsen

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