Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1984-05-07
1986-03-25
Masinick, Michael A.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358237, 358 60, 350445, 350446, 353 77, 353 78, H04N 574, H04N 931, G02B 1700
Patent
active
045787107
ABSTRACT:
A projection television receiver having a more compact cabinet size due to an improved projection lens system. The projection lens system includes a plano-concave lens and a plano-convex lens having optical axes forming an angle in a range of 170.degree. to 190.degree.. First and second mirrors are positioned rearwardly of the plano-concave mirror and the plano-convex mirror to reflect light rays from the plano-concave mirror parallel to the optical axis of the plano-convex mirror. A convex lens is positioned between the two mirrors and the optical path between the plano-concave mirror and the plano-convex mirror.
REFERENCES:
patent: 3724927 (1973-04-01), Cox
Masinick Michael A.
Pioneer Electronic Corporation
Toth E. Anne
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