Patent
1990-02-20
1990-11-06
Arnold, Bruce Y.
350505, 350619, 350622, G02B 510
Patent
active
049681265
ABSTRACT:
An all-optical polar transform device transforms an image in rectangular rdinates into an image in polar coordinates by reflecting an input image-containing beam from a series of suitably positioned reflective surfaces and finally transmits the beam out as an output beam containing the transformed image.
REFERENCES:
patent: 3790257 (1974-02-01), Goldstein et al.
patent: 3802767 (1974-04-01), Rambauske
patent: 3817605 (1974-06-01), Franklin et al.
patent: 3827059 (1974-07-01), Rambauske
patent: 3982824 (1976-09-01), Rambauske
patent: 4886348 (1989-12-01), Schmertz
Arnold Bruce Y.
Bush Freddie M.
Chang Hay Kyung
Ryan J.P.
The United States of America as represented by the secretary of
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