Optics: image projectors – Housing
Patent
1975-11-05
1977-05-03
Stephan, Steven L.
Optics: image projectors
Housing
312 7TV, 353122, G03B 2114, A47H 8106
Patent
active
040211053
ABSTRACT:
An apparatus is provided for receiving a video image from a television receiver and projecting an enlargement of the image onto a suitable reflecting means, and alternatively for providing direct viewing of the television receiver video screen. The apparatus has a housing, preferably rectangular, with a pair of cylindrical support means extending outwardly respectively from mutually opposing vertical sides of the housing. The cylindrical support means are adapted to be rotatably held by a support frame which permits the housing to be rotated about an axis concentric with the cylindrical support means. The housing is adapted to hold a television receiver and a removeable enlarging lens means, so that when the housing is in one predetermined position on the support frame, the video image from the receiver is enlarged and projected from the enlarging lens means. When the housing is rotated about the support frame to another predetermined position and the enlarging lens means removed, the television receiver can be viewed directly.
REFERENCES:
patent: 2604536 (1952-07-01), Rose
patent: 3820885 (1974-06-01), Miller
Cornaby K. S.
Stephan Steven L.
Tapehead Company, Inc.
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