Direction finder

Details Direction finder Direction finder

1975-03-04

1977-08-02

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343766, 343788, G01S 502

Patent

active

040400581

ABSTRACT:
An automatic direction finder wherein a loop antenna is fitted within a combined handle and index rotatably pivoted at the center of a direction dial, a gear of a diameter large enough is fixed to said index and a pinion meshing with said gear is connected through a frictional power transmission with a direct current servomotor to which an automatically controlled output of said antenna obtained from the output of said antenna is given.

REFERENCES:
patent: 2845622 (1958-07-01), Gamble
patent: 3020548 (1962-02-01), Jacobson et al.
patent: 3144626 (1964-08-01), Schwartz
patent: 3323129 (1967-05-01), Held
patent: 3886559 (1975-05-01), Lanson et al.

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