1978-11-06
1981-03-31
Levy, Stewart J.
G02B 516
Patent
active
042589762
ABSTRACT:
A derotation plate for information transmission between a rotating body and stationary body. A half-speed carrier is mounted on the rotating body. This rotates at half the speed of the rotating body. The derotation plate which functions similar to a Dove prism or K-mirror is rotated by the half-speed carrier. The derotation plate rotates at half-speed and inverts a rotating matrix of electric, optical or hydraulic signals. The inverted image from the derotation plate is projected on the stationary body as a nonrotating image matrix.
REFERENCES:
patent: 3428812 (1969-02-01), Burke
patent: 3586413 (1971-06-01), Adams
patent: 3628039 (1971-12-01), Ochs
patent: 3629590 (1971-12-01), Case
patent: 3663822 (1972-05-01), Uchida
patent: 3977793 (1976-08-01), Trotta
patent: 4027945 (1977-06-01), Iverson
Scott David A.
Van Buskirk Lyman F.
Levy Stewart J.
Pritchard Kenneth G.
Sciascia R. S.
Skeer W. Thom
The United States of America as represented by the Secretary of
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