Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1979-10-01
1981-03-31
Tubbesing, T. H.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 5ST, G01S 722
Patent
active
042596696
ABSTRACT:
In a radar system with a plan position indicator, deflecting coil rotation is synchronized with antenna rotation by developing a train of pulses related to antenna rotation for driving a pulse motor controlling coil rotation. Synchronization is achieved by producing a pulse upon a predetermined displacement of the antenna.
REFERENCES:
patent: 2697827 (1954-12-01), Whitaker
patent: 2742637 (1956-04-01), Braddon et al.
patent: 3697987 (1972-10-01), Arthur
patent: 4077037 (1978-02-01), Bryden
Furuno Electric Co. Ltd.
Tubbesing T. H.
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