MIPS Hover attachment

Details MIPS Hover attachment MIPS Hover attachment

1978-11-16

1980-08-05

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 944

Patent

active

042164737

ABSTRACT:
An attachment is provided for aircraft, and particularly for helicopters, for use in conjunction with a microwave interference pattern sensor (MIPS) system, to sense low velocities, for example, such as are encountered when the helicopter is in a hover mode. The attachment includes an antenna array which is separated from the MIPS antenna array, and which comprises two sets of transmitting and two pairs of receiving antenna horn apertures mounted in orthogonal relationship with one another, the transmitting apertures of each set being scanned in sequence to produce a moving energy pattern which is intercepted by the receiving antenna apertures of the attachment, even though the aircraft is stationary.

REFERENCES:
patent: 3020539 (1962-02-01), Gruenberg
patent: 3178711 (1965-04-01), Case, Jr.
patent: 3838424 (1974-09-01), Goldfischer
patent: 3974500 (1976-08-01), Goldfischer
patent: 4034373 (1977-07-01), de Pierre et al.
patent: 4121210 (1978-10-01), Goldfischer
patent: 4134113 (1979-01-01), Powell

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