2-D scanning antenna and method for the utilization thereof

Details 2-D scanning antenna and method for the utilization thereof 2-D scanning antenna and method for the utilization thereof

1996-12-16

1999-08-03

Hajec, Donald

Communications: radio wave antennas

Antennas

Including magnetic material

343785, 343776, 343772, 343781R, H01Q 708, H01Q 1300, H01Q 1310

Patent

active

059331208

ABSTRACT:
Systems and methods for two dimensional millimeter wave imaging are described. A system includes a spindle assembly defining a rotation axis; a waveguide assembly connected to the spindle assembly, the waveguide assembly including a first dielectric waveguide defining a first axis; and a grating assembly connected to the spindle assembly, the grating assembly including a plurality of sectors, each of the plurality of sectors including a varying period conductive grating pattern. A varying period of the varying period conductive grating pattern is a function of an angle defined by a rotational position of the grating assembly with regard to the rotation axis. The systems and methods provide advantages in that an image can be scanned quickly using an inexpensive system.

REFERENCES:
patent: 2993205 (1961-07-01), Cooper
patent: 3848256 (1974-11-01), Craven et al.
patent: 4204212 (1980-05-01), Sindoris et al.
patent: 5014069 (1991-05-01), Seiler et al.
patent: 5305123 (1994-04-01), Sadovnik
patent: 5572228 (1996-11-01), Manasson et al.

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