Patent
1974-12-09
1976-03-30
Smith, Alfred E.
350286, G02B 2120, G02B 2300, G02B 504
Patent
active
039470865
ABSTRACT:
A single entrance prism and two symmetrical second prisms divide the radiation from an object into two light paths and angularly correct the rotation of the image planes for a binocular viewing system.
REFERENCES:
patent: 2428797 (1947-10-01), Gardner
patent: 3353892 (1967-11-01), Minns et al.
patent: 3790267 (1974-02-01), Ramberg
Cohen Simon L.
Henry Jon W.
Smith Alfred E.
Trifari Frank R.
U.S. Phillips Corporation
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