Communication system for helicopter

Details Communication system for helicopter Communication system for helicopter

1990-06-06

1991-11-12

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

Directive

Beacon or receiver

342 74, 342 43, 342 50, 342422, 244 1717, G01S 502

Patent

active

050651625

ABSTRACT:
The present invention pertains to a radiowave relay station in which image information or the like is transmitted by a helicopter from a first station to a second station. A direction finding device is provided which detects the direction of a transmitting source, i.e., a first station. The direction finding device calculates the vertical directional angle .phi. representing the direction of an incoming radiowave which is transmitted from the first station. This direction finding device allows the helicopter performing a relay function to fly rapidly to a contact point with the first station, i.e., in a vicinity of the first station. The direction finding device may also provide information to control an antenna driving portion for adjusting a receiving antenna located on the helicopter.

REFERENCES:
patent: 3787862 (1974-01-01), Jacobson
patent: 4115771 (1978-09-01), Litchford
patent: 4171114 (1979-10-01), Marden
patent: 4309706 (1982-01-01), Mosko
patent: 4536763 (1985-08-01), Von Pieverling
patent: 4584582 (1986-04-01), Munger
patent: 4758840 (1988-07-01), Dardenne et al.

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