Multimode, multispectral scanning and detection

Details Multimode, multispectral scanning and detection Multimode, multispectral scanning and detection

1986-10-01

1988-12-27

Sikes, William L.

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

343911R, H01Q 1906, H01Q 1508

Patent

active

047943980

ABSTRACT:
In a multimode or multispectral electromagnetic detection system (11), a pair of rotatable scanning prisms (13' and 13"), each of said prisms comprising at least a pair of cooperative subprisms (13'a, 13'b, 13"a and 13"b), and the cooperative materials of the subprism being selected so as to ensure that electromagnetic radiation passing through the pair of rotatable prisms is equally deviated in a transverse direction.

REFERENCES:
patent: 2887684 (1959-05-01), Dexter et al.
patent: 3255451 (1966-06-01), Wolcott
patent: 3255453 (1966-06-01), Horst
patent: 3979755 (1976-09-01), Sandoz et al.
patent: 4194209 (1980-03-01), Colburn, Jr.
patent: 4480254 (1984-10-01), Spencer et al.

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