Device for indicating the proximity of a target

Details Device for indicating the proximity of a target Device for indicating the proximity of a target

1961-05-19

1982-10-26

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

F42C 1304

Patent

active

043564887

ABSTRACT:
A device for indicating the proximity of a target comprising means for setting up at least an approximate representation of the direction of the velocity of the target relative to an axis fixed in relation to the device, and signalling means responsive to the direction of the target from the device, namely the sight line of the target for the angle producing an output signal when/between the sight line and the relative velocity direction increases to a predetermined value.

REFERENCES:
patent: 3046892 (1962-07-01), Cosse et al.
patent: 3408938 (1968-11-01), Pagazani et al.
patent: 3877377 (1975-04-01), Rabinow
patent: 4159476 (1979-06-01), Kohler

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