Patent
Radio beacon system
Frank G Kear
- 27 Feb 1935
20
TL;DR: In this article, the authors proposed a radio beacon consisting of a directional field that is radiated and rotated in an azimuthal direction about the source of radiations to provide a beacon.
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Abstract: This invention relates generally to radio beacon systems and, more particularly,, to such systems of the type in which a directional field is radiated and is rotated in azimuth about the source of radiations. It has heretofore been proposed and is now known to provide a radio beacon comprising...
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Citations
Patent
System of communication
Robert B Dome
- 19 Apr 1943
TL;DR: In this paper, the authors present a direction-finding system that enables an aircraft to fly blind along a predetermined path using a relatively narrow beam of a signal, which is used by airlines to enable blind flight.
6
Patent
Multiple-fixed-frequencies navigation system
Brian C. Mallick
- 13 Apr 1987
TL;DR: In this article, a radio navigation system is described which uses multiple fixed frequencies for calculating the bearing and distance of a local station from a central station, where each of the local receivers operates at a fixed frequency substantially equal to the frequency at which its respective central transmitter and central antenna is operating.
5
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