Hub and petal apparatus for mosaic mirrors and millimeter wave a

Details Hub and petal apparatus for mosaic mirrors and millimeter wave a Hub and petal apparatus for mosaic mirrors and millimeter wave a

1990-06-28

1991-09-24

Henry, Jon W.

Optical: systems and elements

Mirror

Plural mirrors or reflecting surfaces

343912, 362346, 359855, G02B 510, G02B 718, H01Q 1516

Patent

active

050509764

ABSTRACT:
A mirror or antenna apparatus having individual petal segments, each of a complex shape, mated with a central hub assembly. Registration pads are provided on the hub assembly to align the petal segments with respect to the hub and each other. Electrical actuators provide fine tuning adjustments in the order of microns.

REFERENCES:
patent: 1248456 (1917-12-01), Clark
patent: 3378469 (1968-04-01), Jochim
patent: 3428533 (1969-02-01), Pichel
patent: 4066887 (1978-01-01), Levis
patent: 4116541 (1978-09-01), Weiss
patent: 4568945 (1986-02-01), Winegard et al.
patent: 4740276 (1988-04-01), Marmo et al.
patent: 4893132 (1990-01-01), Habibi

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