Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1975-11-17
1977-10-11
Wilbur, Maynard R.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
G01S 722
Patent
active
040538818
ABSTRACT:
A device for a mobile radar apparatus connected to a gyro compass for indicating the true course on a radar screen, where pulses from the radar and the gyro are counted, and upon a pulse signal representing the straight-ahead-position of the radar antenna the counting of the gyro pulses are read into the radar pulse counter which continues counting until a set reference pulse number, upon which a pulse train is released for indication of the desired bearing line on the radar screen.
REFERENCES:
patent: 2688130 (1954-08-01), Whitaker et al.
patent: 3060427 (1962-10-01), Jaffe et al.
patent: 3648283 (1972-03-01), Busch et al.
Berger Richard E.
Lehmkuhl A/S
Wilbur Maynard R.
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