Patent
1987-01-13
1989-05-30
Henry, Jon W.
G02B 1706, G02B 2306
Patent
active
048345172
ABSTRACT:
A method and apparatus for receiving optical signals is disclosed. The apparatus 10 comprises a primary mirror 14 to create an intermediate image 22 between the primary mirror 14 and a secondary mirror 16. The apparatus 10 further comprises a tertiary mirror 18 in optical communication with the secondary mirror 16.
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Henry Jon W.
Hughes Aircraft Company
Karambelas A. W.
Streeter William J.
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