Receiver system employing an optical commutator

Details Receiver system employing an optical commutator Receiver system employing an optical commutator

1993-06-04

1994-06-28

Blum, Theodore M.

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

Directive

Including a steerable array

H01Q 322

Patent

active

053251024

ABSTRACT:
A device for delaying signals received from elements of an array antenna by providing delay paths of selectable lengths between respective antenna elements and signal processing means. A plurality of first optical fibers are provided, each having a selected length. A plurality of second optical fibers having selected lengths are also provided. The first fibers are alignable with the second fibers to form respective delay paths. At least one of the set of first fibers and set of second fibers is moveable relative to the other so that when moved, selected first fibers are aligned with selected second fibers creating a delay path of a selected length from each antenna element to the signal processing means.

REFERENCES:
patent: 4492427 (1985-01-01), Lewis et al.
patent: 4620193 (1986-10-01), Heeks
patent: 4814773 (1989-03-01), Wechsberg et al.

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