Adjustable focusing mirror

Details Adjustable focusing mirror Adjustable focusing mirror

1979-09-12

1981-11-10

Evans, F. L.

350292, 350310, 350320, G02B 510

Patent

active

042994454

ABSTRACT:
An adjustable focusing mirror, comprising a support on which is mounted a plurality of small plane mirror elements, wherein the support of the focusing mirror comprises a molded concrete structure with a reference face on which the small plane mirror elements are adhesively fixed, at a small distance from one another, but without any contact between them, and wherein the molded concrete structure is fitted with pre-stressing elements for adjusting the concavity of the said reference face carrying the mirror elements.

REFERENCES:
patent: 1946184 (1934-02-01), Abbott
patent: 2760920 (1956-08-01), Olsen
patent: 2976533 (1961-03-01), Salisbury
patent: 3049055 (1962-08-01), Tubbs
patent: 3108279 (1963-10-01), Eisentraut
patent: 3620606 (1971-11-01), Tschunko
patent: 3906927 (1975-09-01), Coplan
patent: 3988166 (1976-10-01), Beam
patent: 3993528 (1976-11-01), Pauly
patent: 4131336 (1978-12-01), Miller et al.
patent: 4141626 (1979-02-01), Treytl et al.

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